21683902

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3779}}^1$

素因数の和:3951

約数の個数: 16

約数和(自身を含む): 34473600

約数和(自身を除く): 12789698

約数列:

[1, 2, 19, 38, 151, 302, 2869, 3779, 5738, 7558, 71801, 143602, 570629, 1141258, 10841951, 21683902]

約数ペア:

[(1, 21683902), (2, 10841951), (19, 1141258), (38, 570629), (151, 143602), (302, 71801), (2869, 7558), (3779, 5738)]