21605625418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1\times {\mathrm{17327}}^1$

素因数の和:17782

約数の個数: 32

約数和(自身を含む): 35224358400

約数和(自身を除く): 13618732982

約数列:

[1, 2, 13, 26, 199, 241, 398, 482, 2587, 3133, 5174, 6266, 17327, 34654, 47959, 95918, 225251, 450502, 623467, 1246934, 3448073, 4175807, 6896146, 8351614, 44824949, 54285491, 89649898, 108570982, 830985593, 1661971186, 10802812709, 21605625418]

約数ペア:

[(1, 21605625418), (2, 10802812709), (13, 1661971186), (26, 830985593), (199, 108570982), (241, 89649898), (398, 54285491), (482, 44824949), (2587, 8351614), (3133, 6896146), (5174, 4175807), (6266, 3448073), (17327, 1246934), (34654, 623467), (47959, 450502), (95918, 225251)]