21107490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1567}}^1$

素因数の和:2026

約数の個数: 32

約数和(自身を含む): 50803200

約数和(自身を除く): 29695710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1567, 2245, 2694, 3134, 4490, 4701, 6735, 7835, 9402, 13470, 15670, 23505, 47010, 703583, 1407166, 2110749, 3517915, 4221498, 7035830, 10553745, 21107490]

約数ペア:

[(1, 21107490), (2, 10553745), (3, 7035830), (5, 4221498), (6, 3517915), (10, 2110749), (15, 1407166), (30, 703583), (449, 47010), (898, 23505), (1347, 15670), (1567, 13470), (2245, 9402), (2694, 7835), (3134, 6735), (4490, 4701)]