21507386

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{601}}^1\times {\mathrm{617}}^1$

素因数の和:1249

約数の個数: 16

約数和(自身を含む): 33483240

約数和(自身を除く): 11975854

約数列:

[1, 2, 29, 58, 601, 617, 1202, 1234, 17429, 17893, 34858, 35786, 370817, 741634, 10753693, 21507386]

約数ペア:

[(1, 21507386), (2, 10753693), (29, 741634), (58, 370817), (601, 35786), (617, 34858), (1202, 17893), (1234, 17429)]