21997022

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19961}}^1$

素因数の和:20011

約数の個数: 16

約数和(自身を含む): 35931600

約数和(自身を除く): 13934578

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19961, 39922, 379259, 578869, 758518, 1157738, 10998511, 21997022]

約数ペア:

[(1, 21997022), (2, 10998511), (19, 1157738), (29, 758518), (38, 578869), (58, 379259), (551, 39922), (1102, 19961)]