21313510

素因数分解:

$2^1\times 5^1\times {\mathrm{1237}}^1\times {\mathrm{1723}}^1$

素因数の和:2967

約数の個数: 16

約数和(自身を含む): 38417616

約数和(自身を除く): 17104106

約数列:

[1, 2, 5, 10, 1237, 1723, 2474, 3446, 6185, 8615, 12370, 17230, 2131351, 4262702, 10656755, 21313510]

約数ペア:

[(1, 21313510), (2, 10656755), (5, 4262702), (10, 2131351), (1237, 17230), (1723, 12370), (2474, 8615), (3446, 6185)]