21057509190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{101}}^1$

素因数の和:335

約数の個数: 256

約数和(自身を含む): 55510769664

約数和(自身を除く): 34453260474

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 37, 62, 73, 74, 83, 93, 101, 111, 146, 155, 166, 185, 186, 202, 219, 222, 249, 303, 310, 365, 370, 415, 438, 465, 498, 505, 555, 606, 730, 830, 930, 1010, 1095, 1110, 1147, 1245, 1515, 2190, 2263, 2294, 2490, 2573, 2701, 3030, 3071, 3131, 3441, 3737, 4526, 5146, 5402, 5735, 6059, 6142, 6262, 6789, 6882, 7373, 7474, 7719, 8103, 8383, 9213, 9393, 11211, 11315, 11470, 12118, 12865, 13505, 13578, 14746, 15355, 15438, 15655, 16206, 16766, 17205, 18177, 18426, 18685, 18786, 22119, 22422, 22630, 25149, 25730, 27010, 30295, 30710, 31310, 33945, 34410, 36354, 36865, 37370, 38595, 40515, 41915, 44238, 46065, 46965, 50298, 56055, 60590, 67890, 73730, 77190, 81030, 83731, 83830, 90885, 92130, 93930, 95201, 110595, 112110, 115847, 125745, 167462, 181770, 187829, 190402, 221190, 224183, 228563, 231694, 251193, 251490, 259873, 272801, 285603, 310171, 347541, 375658, 418655, 448366, 457126, 476005, 502386, 519746, 545602, 563487, 571206, 579235, 611959, 620342, 672549, 685689, 695082, 779619, 818403, 837310, 930513, 939145, 952010, 1120915, 1126974, 1142815, 1158470, 1223918, 1255965, 1299365, 1345098, 1364005, 1371378, 1428015, 1550855, 1559238, 1636806, 1737705, 1835877, 1861026, 1878290, 2241830, 2285630, 2511930, 2598730, 2728010, 2817435, 2856030, 3059795, 3101710, 3362745, 3428445, 3475410, 3671754, 3898095, 4092015, 4652565, 5634870, 6119590, 6725490, 6856890, 6949673, 7796190, 8184030, 8456831, 9179385, 9305130, 9615301, 13899346, 16913662, 18358770, 18970729, 19230602, 20849019, 22642483, 25370493, 28845903, 34748365, 37941458, 41698038, 42284155, 45284966, 48076505, 50740986, 56912187, 57691806, 67927449, 69496730, 84568310, 94853645, 96153010, 104245095, 113212415, 113824374, 126852465, 135854898, 144229515, 189707290, 208490190, 226424830, 253704930, 284560935, 288459030, 339637245, 569121870, 679274490, 701916973, 1403833946, 2105750919, 3509584865, 4211501838, 7019169730, 10528754595, 21057509190]

約数ペア:

[(1, 21057509190), (2, 10528754595), (3, 7019169730), (5, 4211501838), (6, 3509584865), (10, 2105750919), (15, 1403833946), (30, 701916973), (31, 679274490), (37, 569121870), (62, 339637245), (73, 288459030), (74, 284560935), (83, 253704930), (93, 226424830), (101, 208490190), (111, 189707290), (146, 144229515), (155, 135854898), (166, 126852465), (185, 113824374), (186, 113212415), (202, 104245095), (219, 96153010), (222, 94853645), (249, 84568310), (303, 69496730), (310, 67927449), (365, 57691806), (370, 56912187), (415, 50740986), (438, 48076505), (465, 45284966), (498, 42284155), (505, 41698038), (555, 37941458), (606, 34748365), (730, 28845903), (830, 25370493), (930, 22642483), (1010, 20849019), (1095, 19230602), (1110, 18970729), (1147, 18358770), (1245, 16913662), (1515, 13899346), (2190, 9615301), (2263, 9305130), (2294, 9179385), (2490, 8456831), (2573, 8184030), (2701, 7796190), (3030, 6949673), (3071, 6856890), (3131, 6725490), (3441, 6119590), (3737, 5634870), (4526, 4652565), (5146, 4092015), (5402, 3898095), (5735, 3671754), (6059, 3475410), (6142, 3428445), (6262, 3362745), (6789, 3101710), (6882, 3059795), (7373, 2856030), (7474, 2817435), (7719, 2728010), (8103, 2598730), (8383, 2511930), (9213, 2285630), (9393, 2241830), (11211, 1878290), (11315, 1861026), (11470, 1835877), (12118, 1737705), (12865, 1636806), (13505, 1559238), (13578, 1550855), (14746, 1428015), (15355, 1371378), (15438, 1364005), (15655, 1345098), (16206, 1299365), (16766, 1255965), (17205, 1223918), (18177, 1158470), (18426, 1142815), (18685, 1126974), (18786, 1120915), (22119, 952010), (22422, 939145), (22630, 930513), (25149, 837310), (25730, 818403), (27010, 779619), (30295, 695082), (30710, 685689), (31310, 672549), (33945, 620342), (34410, 611959), (36354, 579235), (36865, 571206), (37370, 563487), (38595, 545602), (40515, 519746), (41915, 502386), (44238, 476005), (46065, 457126), (46965, 448366), (50298, 418655), (56055, 375658), (60590, 347541), (67890, 310171), (73730, 285603), (77190, 272801), (81030, 259873), (83731, 251490), (83830, 251193), (90885, 231694), (92130, 228563), (93930, 224183), (95201, 221190), (110595, 190402), (112110, 187829), (115847, 181770), (125745, 167462)]