21001072022

素因数分解:

$2^1\times 7^1\times {\mathrm{22111}}^1\times {\mathrm{67843}}^1$

素因数の和:89963

約数の個数: 16

約数和(自身を含む): 36003996672

約数和(自身を除く): 15002924650

約数列:

[1, 2, 7, 14, 22111, 44222, 67843, 135686, 154777, 309554, 474901, 949802, 1500076573, 3000153146, 10500536011, 21001072022]

約数ペア:

[(1, 21001072022), (2, 10500536011), (7, 3000153146), (14, 1500076573), (22111, 949802), (44222, 474901), (67843, 309554), (135686, 154777)]