21794730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4457}}^1$

素因数の和:4630

約数の個数: 32

約数和(自身を含む): 52640064

約数和(自身を除く): 30845334

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4457, 4890, 8914, 13371, 22285, 26742, 44570, 66855, 133710, 726491, 1452982, 2179473, 3632455, 4358946, 7264910, 10897365, 21794730]

約数ペア:

[(1, 21794730), (2, 10897365), (3, 7264910), (5, 4358946), (6, 3632455), (10, 2179473), (15, 1452982), (30, 726491), (163, 133710), (326, 66855), (489, 44570), (815, 26742), (978, 22285), (1630, 13371), (2445, 8914), (4457, 4890)]