21260427266

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{1663}}^1\times {\mathrm{491707}}^1$

素因数の和:493385

約数の個数: 16

約数和(自身を含む): 34364488704

約数和(自身を除く): 13104061438

約数列:

[1, 2, 13, 26, 1663, 3326, 21619, 43238, 491707, 983414, 6392191, 12784382, 817708741, 1635417482, 10630213633, 21260427266]

約数ペア:

[(1, 21260427266), (2, 10630213633), (13, 1635417482), (26, 817708741), (1663, 12784382), (3326, 6392191), (21619, 983414), (43238, 491707)]