21423896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1823}}^1$

素因数の和:1955

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 22242664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1823, 2938, 3646, 5876, 7292, 11752, 14584, 23699, 47398, 94796, 189592, 205999, 411998, 823996, 1647992, 2677987, 5355974, 10711948, 21423896]

約数ペア:

[(1, 21423896), (2, 10711948), (4, 5355974), (8, 2677987), (13, 1647992), (26, 823996), (52, 411998), (104, 205999), (113, 189592), (226, 94796), (452, 47398), (904, 23699), (1469, 14584), (1823, 11752), (2938, 7292), (3646, 5876)]