21196839

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{719}}^1$

素因数の和:1070

約数の個数: 16

約数和(自身を含む): 29306880

約数和(自身を除く): 8110041

約数列:

[1, 3, 31, 93, 317, 719, 951, 2157, 9827, 22289, 29481, 66867, 227923, 683769, 7065613, 21196839]

約数ペア:

[(1, 21196839), (3, 7065613), (31, 683769), (93, 227923), (317, 66867), (719, 29481), (951, 22289), (2157, 9827)]