21529716

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4759}}^1$

素因数の和:4808

約数の個数: 48

約数和(自身を含む): 55977600

約数和(自身を除く): 34447884

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 4759, 9518, 14277, 19036, 28554, 57108, 61867, 123734, 138011, 185601, 247468, 276022, 371202, 414033, 552044, 742404, 828066, 1656132, 1794143, 3588286, 5382429, 7176572, 10764858, 21529716]

約数ペア:

[(1, 21529716), (2, 10764858), (3, 7176572), (4, 5382429), (6, 3588286), (12, 1794143), (13, 1656132), (26, 828066), (29, 742404), (39, 552044), (52, 414033), (58, 371202), (78, 276022), (87, 247468), (116, 185601), (156, 138011), (174, 123734), (348, 61867), (377, 57108), (754, 28554), (1131, 19036), (1508, 14277), (2262, 9518), (4524, 4759)]