21198112

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50957}}^1$

素因数の和:50980

約数の個数: 24

約数和(自身を含む): 44944956

約数和(自身を除く): 23746844

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50957, 101914, 203828, 407656, 662441, 815312, 1324882, 1630624, 2649764, 5299528, 10599056, 21198112]

約数ペア:

[(1, 21198112), (2, 10599056), (4, 5299528), (8, 2649764), (13, 1630624), (16, 1324882), (26, 815312), (32, 662441), (52, 407656), (104, 203828), (208, 101914), (416, 50957)]