21314512

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11789}}^1$

素因数の和:11910

約数の個数: 20

約数和(自身を含む): 41665860

約数和(自身を除く): 20351348

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11789, 23578, 47156, 94312, 188624, 1332157, 2664314, 5328628, 10657256, 21314512]

約数ペア:

[(1, 21314512), (2, 10657256), (4, 5328628), (8, 2664314), (16, 1332157), (113, 188624), (226, 94312), (452, 47156), (904, 23578), (1808, 11789)]