21106090

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{8831}}^1$

素因数の和:9077

約数の個数: 16

約数和(自身を含む): 38154240

約数和(自身を除く): 17048150

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 8831, 17662, 44155, 88310, 2110609, 4221218, 10553045, 21106090]

約数ペア:

[(1, 21106090), (2, 10553045), (5, 4221218), (10, 2110609), (239, 88310), (478, 44155), (1195, 17662), (2390, 8831)]