21102808

素因数分解:

$2^3\times {\mathrm{229}}^1\times {\mathrm{11519}}^1$

素因数の和:11754

約数の個数: 16

約数和(自身を含む): 39744000

約数和(自身を除く): 18641192

約数列:

[1, 2, 4, 8, 229, 458, 916, 1832, 11519, 23038, 46076, 92152, 2637851, 5275702, 10551404, 21102808]

約数ペア:

[(1, 21102808), (2, 10551404), (4, 5275702), (8, 2637851), (229, 92152), (458, 46076), (916, 23038), (1832, 11519)]