21260098

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8807}}^1$

素因数の和:8897

約数の個数: 16

約数和(自身を含む): 34245504

約数和(自身を除く): 12985406

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8807, 17614, 149719, 299438, 625297, 1250594, 10630049, 21260098]

約数ペア:

[(1, 21260098), (2, 10630049), (17, 1250594), (34, 625297), (71, 299438), (142, 149719), (1207, 17614), (2414, 8807)]