21313590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{829}}^1\times {\mathrm{857}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 51274080

約数和(自身を除く): 29960490

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 829, 857, 1658, 1714, 2487, 2571, 4145, 4285, 4974, 5142, 8290, 8570, 12435, 12855, 24870, 25710, 710453, 1420906, 2131359, 3552265, 4262718, 7104530, 10656795, 21313590]

約数ペア:

[(1, 21313590), (2, 10656795), (3, 7104530), (5, 4262718), (6, 3552265), (10, 2131359), (15, 1420906), (30, 710453), (829, 25710), (857, 24870), (1658, 12855), (1714, 12435), (2487, 8570), (2571, 8290), (4145, 5142), (4285, 4974)]