21290912

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{9371}}^1$

素因数の和:9452

約数の個数: 24

約数和(自身を含む): 42511392

約数和(自身を除く): 21220480

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 9371, 18742, 37484, 74968, 149936, 299872, 665341, 1330682, 2661364, 5322728, 10645456, 21290912]

約数ペア:

[(1, 21290912), (2, 10645456), (4, 5322728), (8, 2661364), (16, 1330682), (32, 665341), (71, 299872), (142, 149936), (284, 74968), (568, 37484), (1136, 18742), (2272, 9371)]