21879572

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1319}}^1$

素因数の和:1376

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 24690028

約数列:

[1, 2, 4, 11, 13, 22, 26, 29, 44, 52, 58, 116, 143, 286, 319, 377, 572, 638, 754, 1276, 1319, 1508, 2638, 4147, 5276, 8294, 14509, 16588, 17147, 29018, 34294, 38251, 58036, 68588, 76502, 153004, 188617, 377234, 420761, 497263, 754468, 841522, 994526, 1683044, 1989052, 5469893, 10939786, 21879572]

約数ペア:

[(1, 21879572), (2, 10939786), (4, 5469893), (11, 1989052), (13, 1683044), (22, 994526), (26, 841522), (29, 754468), (44, 497263), (52, 420761), (58, 377234), (116, 188617), (143, 153004), (286, 76502), (319, 68588), (377, 58036), (572, 38251), (638, 34294), (754, 29018), (1276, 17147), (1319, 16588), (1508, 14509), (2638, 8294), (4147, 5276)]