21086432

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9281}}^1$

素因数の和:9362

約数の個数: 24

約数和(自身を含む): 42103152

約数和(自身を除く): 21016720

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9281, 18562, 37124, 74248, 148496, 296992, 658951, 1317902, 2635804, 5271608, 10543216, 21086432]

約数ペア:

[(1, 21086432), (2, 10543216), (4, 5271608), (8, 2635804), (16, 1317902), (32, 658951), (71, 296992), (142, 148496), (284, 74248), (568, 37124), (1136, 18562), (2272, 9281)]