21385088

素因数分解:

$2^7\times {\mathrm{167071}}^1$

素因数の和:167085

約数の個数: 16

約数和(自身を含む): 42603360

約数和(自身を除く): 21218272

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167071, 334142, 668284, 1336568, 2673136, 5346272, 10692544, 21385088]

約数ペア:

[(1, 21385088), (2, 10692544), (4, 5346272), (8, 2673136), (16, 1336568), (32, 668284), (64, 334142), (128, 167071)]