20210658090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{331}}^1\times {\mathrm{569}}^1$

素因数の和:997

約数の個数: 192

約数和(自身を含む): 57471431040

約数和(自身を除く): 37260772950

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 73, 98, 105, 146, 147, 210, 219, 245, 294, 331, 365, 438, 490, 511, 569, 662, 730, 735, 993, 1022, 1095, 1138, 1470, 1533, 1655, 1707, 1986, 2190, 2317, 2555, 2845, 3066, 3310, 3414, 3577, 3983, 4634, 4965, 5110, 5690, 6951, 7154, 7665, 7966, 8535, 9930, 10731, 11585, 11949, 13902, 15330, 16219, 17070, 17885, 19915, 21462, 23170, 23898, 24163, 27881, 32438, 34755, 35770, 39830, 41537, 48326, 48657, 53655, 55762, 59745, 69510, 72489, 81095, 83074, 83643, 97314, 107310, 119490, 120815, 124611, 139405, 144978, 162190, 167286, 169141, 188339, 207685, 241630, 243285, 249222, 278810, 290759, 338282, 362445, 376678, 415370, 418215, 486570, 507423, 565017, 581518, 623055, 724890, 836430, 845705, 872277, 941695, 1014846, 1130034, 1183987, 1246110, 1318373, 1453795, 1691410, 1744554, 1883390, 2035313, 2367974, 2537115, 2636746, 2825085, 2907590, 3551961, 3955119, 4070626, 4361385, 5074230, 5650170, 5919935, 6105939, 6591865, 7103922, 7910238, 8722770, 9228611, 10176565, 11839870, 12211878, 13183730, 13748747, 17759805, 18457222, 19775595, 20353130, 27497494, 27685833, 30529695, 35519610, 39551190, 41246241, 46143055, 55371666, 61059390, 68743735, 82492482, 92286110, 96241229, 137487470, 138429165, 192482458, 206231205, 276858330, 288723687, 412462410, 481206145, 577447374, 673688603, 962412290, 1347377206, 1443618435, 2021065809, 2887236870, 3368443015, 4042131618, 6736886030, 10105329045, 20210658090]

約数ペア:

[(1, 20210658090), (2, 10105329045), (3, 6736886030), (5, 4042131618), (6, 3368443015), (7, 2887236870), (10, 2021065809), (14, 1443618435), (15, 1347377206), (21, 962412290), (30, 673688603), (35, 577447374), (42, 481206145), (49, 412462410), (70, 288723687), (73, 276858330), (98, 206231205), (105, 192482458), (146, 138429165), (147, 137487470), (210, 96241229), (219, 92286110), (245, 82492482), (294, 68743735), (331, 61059390), (365, 55371666), (438, 46143055), (490, 41246241), (511, 39551190), (569, 35519610), (662, 30529695), (730, 27685833), (735, 27497494), (993, 20353130), (1022, 19775595), (1095, 18457222), (1138, 17759805), (1470, 13748747), (1533, 13183730), (1655, 12211878), (1707, 11839870), (1986, 10176565), (2190, 9228611), (2317, 8722770), (2555, 7910238), (2845, 7103922), (3066, 6591865), (3310, 6105939), (3414, 5919935), (3577, 5650170), (3983, 5074230), (4634, 4361385), (4965, 4070626), (5110, 3955119), (5690, 3551961), (6951, 2907590), (7154, 2825085), (7665, 2636746), (7966, 2537115), (8535, 2367974), (9930, 2035313), (10731, 1883390), (11585, 1744554), (11949, 1691410), (13902, 1453795), (15330, 1318373), (16219, 1246110), (17070, 1183987), (17885, 1130034), (19915, 1014846), (21462, 941695), (23170, 872277), (23898, 845705), (24163, 836430), (27881, 724890), (32438, 623055), (34755, 581518), (35770, 565017), (39830, 507423), (41537, 486570), (48326, 418215), (48657, 415370), (53655, 376678), (55762, 362445), (59745, 338282), (69510, 290759), (72489, 278810), (81095, 249222), (83074, 243285), (83643, 241630), (97314, 207685), (107310, 188339), (119490, 169141), (120815, 167286), (124611, 162190), (139405, 144978)]