21517460

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{9521}}^1$

素因数の和:9643

約数の個数: 24

約数和(自身を含む): 45591336

約数和(自身を除く): 24073876

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 9521, 19042, 38084, 47605, 95210, 190420, 1075873, 2151746, 4303492, 5379365, 10758730, 21517460]

約数ペア:

[(1, 21517460), (2, 10758730), (4, 5379365), (5, 4303492), (10, 2151746), (20, 1075873), (113, 190420), (226, 95210), (452, 47605), (565, 38084), (1130, 19042), (2260, 9521)]