21545372

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{239}}^1\times {\mathrm{727}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 39137280

約数和(自身を除く): 17591908

約数列:

[1, 2, 4, 31, 62, 124, 239, 478, 727, 956, 1454, 2908, 7409, 14818, 22537, 29636, 45074, 90148, 173753, 347506, 695012, 5386343, 10772686, 21545372]

約数ペア:

[(1, 21545372), (2, 10772686), (4, 5386343), (31, 695012), (62, 347506), (124, 173753), (239, 90148), (478, 45074), (727, 29636), (956, 22537), (1454, 14818), (2908, 7409)]