21064342030

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{44817749}}^1$

素因数の和:44817803

約数の個数: 16

約数和(自身を含む): 38722536000

約数和(自身を除く): 17658193970

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 44817749, 89635498, 224088745, 448177490, 2106434203, 4212868406, 10532171015, 21064342030]

約数ペア:

[(1, 21064342030), (2, 10532171015), (5, 4212868406), (10, 2106434203), (47, 448177490), (94, 224088745), (235, 89635498), (470, 44817749)]