21526726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 37231488

約数和(自身を除く): 15704762

約数列:

[1, 2, 13, 17, 26, 34, 113, 221, 226, 431, 442, 862, 1469, 1921, 2938, 3842, 5603, 7327, 11206, 14654, 24973, 48703, 49946, 95251, 97406, 190502, 633139, 827951, 1266278, 1655902, 10763363, 21526726]

約数ペア:

[(1, 21526726), (2, 10763363), (13, 1655902), (17, 1266278), (26, 827951), (34, 633139), (113, 190502), (221, 97406), (226, 95251), (431, 49946), (442, 48703), (862, 24973), (1469, 14654), (1921, 11206), (2938, 7327), (3842, 5603)]