21259366

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{18047}}^1$

素因数の和:18099

約数の個数: 16

約数和(自身を含む): 34652160

約数和(自身を除く): 13392794

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 18047, 36094, 342893, 559457, 685786, 1118914, 10629683, 21259366]

約数ペア:

[(1, 21259366), (2, 10629683), (19, 1118914), (31, 685786), (38, 559457), (62, 342893), (589, 36094), (1178, 18047)]