21749932

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{179}}^1\times {\mathrm{821}}^1$

素因数の和:1041

約数の個数: 24

約数和(自身を含む): 39357360

約数和(自身を除く): 17607428

約数列:

[1, 2, 4, 37, 74, 148, 179, 358, 716, 821, 1642, 3284, 6623, 13246, 26492, 30377, 60754, 121508, 146959, 293918, 587836, 5437483, 10874966, 21749932]

約数ペア:

[(1, 21749932), (2, 10874966), (4, 5437483), (37, 587836), (74, 293918), (148, 146959), (179, 121508), (358, 60754), (716, 30377), (821, 26492), (1642, 13246), (3284, 6623)]