21200730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{751}}^1\times {\mathrm{941}}^1$

素因数の和:1702

約数の個数: 32

約数和(自身を含む): 51003648

約数和(自身を除く): 29802918

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 751, 941, 1502, 1882, 2253, 2823, 3755, 4506, 4705, 5646, 7510, 9410, 11265, 14115, 22530, 28230, 706691, 1413382, 2120073, 3533455, 4240146, 7066910, 10600365, 21200730]

約数ペア:

[(1, 21200730), (2, 10600365), (3, 7066910), (5, 4240146), (6, 3533455), (10, 2120073), (15, 1413382), (30, 706691), (751, 28230), (941, 22530), (1502, 14115), (1882, 11265), (2253, 9410), (2823, 7510), (3755, 5646), (4506, 4705)]