21370291184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{8807}}^1$

素因数の和:9654

約数の個数: 80

約数和(自身を含む): 47890434816

約数和(自身を除く): 26520143632

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 34, 44, 68, 88, 136, 176, 187, 272, 374, 748, 811, 1496, 1622, 2992, 3244, 6488, 8807, 8921, 12976, 13787, 17614, 17842, 27574, 35228, 35684, 55148, 70456, 71368, 96877, 110296, 140912, 142736, 149719, 151657, 193754, 220592, 299438, 303314, 387508, 598876, 606628, 775016, 1197752, 1213256, 1550032, 1646909, 2395504, 2426512, 3293818, 6587636, 7142477, 13175272, 14284954, 26350544, 28569908, 57139816, 78567247, 114279632, 121422109, 157134494, 242844218, 314268988, 485688436, 628537976, 971376872, 1257075952, 1335643199, 1942753744, 2671286398, 5342572796, 10685145592, 21370291184]

約数ペア:

[(1, 21370291184), (2, 10685145592), (4, 5342572796), (8, 2671286398), (11, 1942753744), (16, 1335643199), (17, 1257075952), (22, 971376872), (34, 628537976), (44, 485688436), (68, 314268988), (88, 242844218), (136, 157134494), (176, 121422109), (187, 114279632), (272, 78567247), (374, 57139816), (748, 28569908), (811, 26350544), (1496, 14284954), (1622, 13175272), (2992, 7142477), (3244, 6587636), (6488, 3293818), (8807, 2426512), (8921, 2395504), (12976, 1646909), (13787, 1550032), (17614, 1213256), (17842, 1197752), (27574, 775016), (35228, 606628), (35684, 598876), (55148, 387508), (70456, 303314), (71368, 299438), (96877, 220592), (110296, 193754), (140912, 151657), (142736, 149719)]