21000252676

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1823}}^1\times {\mathrm{7639}}^1$

素因数の和:9508

約数の個数: 48

約数和(自身を含む): 40969958400

約数和(自身を除く): 19969705724

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 1823, 3646, 7292, 7639, 15278, 23699, 30556, 47398, 52867, 94796, 99307, 105734, 198614, 211468, 221531, 397228, 443062, 687271, 886124, 1374542, 2749084, 2879903, 5759806, 11519612, 13925897, 27851794, 55703588, 181036661, 362073322, 403851013, 724146644, 807702026, 1615404052, 5250063169, 10500126338, 21000252676]

約数ペア:

[(1, 21000252676), (2, 10500126338), (4, 5250063169), (13, 1615404052), (26, 807702026), (29, 724146644), (52, 403851013), (58, 362073322), (116, 181036661), (377, 55703588), (754, 27851794), (1508, 13925897), (1823, 11519612), (3646, 5759806), (7292, 2879903), (7639, 2749084), (15278, 1374542), (23699, 886124), (30556, 687271), (47398, 443062), (52867, 397228), (94796, 221531), (99307, 211468), (105734, 198614)]