21311210

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{45343}}^1$

素因数の和:45397

約数の個数: 16

約数和(自身を含む): 39177216

約数和(自身を除く): 17866006

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 45343, 90686, 226715, 453430, 2131121, 4262242, 10655605, 21311210]

約数ペア:

[(1, 21311210), (2, 10655605), (5, 4262242), (10, 2131121), (47, 453430), (94, 226715), (235, 90686), (470, 45343)]