21981896

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{41011}}^1$

素因数の和:41084

約数の個数: 16

約数和(自身を含む): 41832240

約数和(自身を除く): 19850344

約数列:

[1, 2, 4, 8, 67, 134, 268, 536, 41011, 82022, 164044, 328088, 2747737, 5495474, 10990948, 21981896]

約数ペア:

[(1, 21981896), (2, 10990948), (4, 5495474), (8, 2747737), (67, 328088), (134, 164044), (268, 82022), (536, 41011)]