21573090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{283}}^1$

素因数の和:325

約数の個数: 144

約数和(自身を含む): 70709184

約数和(自身を除く): 49136094

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 30, 33, 35, 42, 45, 55, 63, 66, 70, 77, 90, 99, 105, 110, 121, 126, 154, 165, 198, 210, 231, 242, 283, 315, 330, 363, 385, 462, 495, 566, 605, 630, 693, 726, 770, 847, 849, 990, 1089, 1155, 1210, 1386, 1415, 1694, 1698, 1815, 1981, 2178, 2310, 2541, 2547, 2830, 3113, 3465, 3630, 3962, 4235, 4245, 5082, 5094, 5445, 5943, 6226, 6930, 7623, 8470, 8490, 9339, 9905, 10890, 11886, 12705, 12735, 15246, 15565, 17829, 18678, 19810, 21791, 25410, 25470, 28017, 29715, 31130, 34243, 35658, 38115, 43582, 46695, 56034, 59430, 65373, 68486, 76230, 89145, 93390, 102729, 108955, 130746, 140085, 171215, 178290, 196119, 205458, 217910, 239701, 280170, 308187, 326865, 342430, 392238, 479402, 513645, 616374, 653730, 719103, 980595, 1027290, 1198505, 1438206, 1540935, 1961190, 2157309, 2397010, 3081870, 3595515, 4314618, 7191030, 10786545, 21573090]

約数ペア:

[(1, 21573090), (2, 10786545), (3, 7191030), (5, 4314618), (6, 3595515), (7, 3081870), (9, 2397010), (10, 2157309), (11, 1961190), (14, 1540935), (15, 1438206), (18, 1198505), (21, 1027290), (22, 980595), (30, 719103), (33, 653730), (35, 616374), (42, 513645), (45, 479402), (55, 392238), (63, 342430), (66, 326865), (70, 308187), (77, 280170), (90, 239701), (99, 217910), (105, 205458), (110, 196119), (121, 178290), (126, 171215), (154, 140085), (165, 130746), (198, 108955), (210, 102729), (231, 93390), (242, 89145), (283, 76230), (315, 68486), (330, 65373), (363, 59430), (385, 56034), (462, 46695), (495, 43582), (566, 38115), (605, 35658), (630, 34243), (693, 31130), (726, 29715), (770, 28017), (847, 25470), (849, 25410), (990, 21791), (1089, 19810), (1155, 18678), (1210, 17829), (1386, 15565), (1415, 15246), (1694, 12735), (1698, 12705), (1815, 11886), (1981, 10890), (2178, 9905), (2310, 9339), (2541, 8490), (2547, 8470), (2830, 7623), (3113, 6930), (3465, 6226), (3630, 5943), (3962, 5445), (4235, 5094), (4245, 5082)]