21942038

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{2539}}^1$

素因数の和:2719

約数の個数: 16

約数和(自身を含む): 34290000

約数和(自身を除く): 12347962

約数列:

[1, 2, 29, 58, 149, 298, 2539, 4321, 5078, 8642, 73631, 147262, 378311, 756622, 10971019, 21942038]

約数ペア:

[(1, 21942038), (2, 10971019), (29, 756622), (58, 378311), (149, 147262), (298, 73631), (2539, 8642), (4321, 5078)]