21559434

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:335

約数の個数: 64

約数和(自身を含む): 50077440

約数和(自身を除く): 28518006

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 71, 78, 102, 142, 213, 221, 229, 426, 442, 458, 663, 687, 923, 1207, 1326, 1374, 1846, 2414, 2769, 2977, 3621, 3893, 5538, 5954, 7242, 7786, 8931, 11679, 15691, 16259, 17862, 23358, 31382, 32518, 47073, 48777, 50609, 94146, 97554, 101218, 151827, 211367, 276403, 303654, 422734, 552806, 634101, 829209, 1268202, 1658418, 3593239, 7186478, 10779717, 21559434]

約数ペア:

[(1, 21559434), (2, 10779717), (3, 7186478), (6, 3593239), (13, 1658418), (17, 1268202), (26, 829209), (34, 634101), (39, 552806), (51, 422734), (71, 303654), (78, 276403), (102, 211367), (142, 151827), (213, 101218), (221, 97554), (229, 94146), (426, 50609), (442, 48777), (458, 47073), (663, 32518), (687, 31382), (923, 23358), (1207, 17862), (1326, 16259), (1374, 15691), (1846, 11679), (2414, 8931), (2769, 7786), (2977, 7242), (3621, 5954), (3893, 5538)]