21920414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1879}}^1$

素因数の和:2207

約数の個数: 16

約数和(自身を含む): 34742400

約数和(自身を除く): 12821986

約数列:

[1, 2, 19, 38, 307, 614, 1879, 3758, 5833, 11666, 35701, 71402, 576853, 1153706, 10960207, 21920414]

約数ペア:

[(1, 21920414), (2, 10960207), (19, 1153706), (38, 576853), (307, 71402), (614, 35701), (1879, 11666), (3758, 5833)]