21455112

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127709}}^1$

素因数の和:127725

約数の個数: 32

約数和(自身を含む): 61300800

約数和(自身を除く): 39845688

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127709, 255418, 383127, 510836, 766254, 893963, 1021672, 1532508, 1787926, 2681889, 3065016, 3575852, 5363778, 7151704, 10727556, 21455112]

約数ペア:

[(1, 21455112), (2, 10727556), (3, 7151704), (4, 5363778), (6, 3575852), (7, 3065016), (8, 2681889), (12, 1787926), (14, 1532508), (21, 1021672), (24, 893963), (28, 766254), (42, 510836), (56, 383127), (84, 255418), (168, 127709)]