21359498

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{431}}^1$

素因数の和:853

約数の個数: 16

約数和(自身を含む): 32659200

約数和(自身を除く): 11299702

約数列:

[1, 2, 71, 142, 349, 431, 698, 862, 24779, 30601, 49558, 61202, 150419, 300838, 10679749, 21359498]

約数ペア:

[(1, 21359498), (2, 10679749), (71, 300838), (142, 150419), (349, 61202), (431, 49558), (698, 30601), (862, 24779)]