21859765

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{3677}}^1$

素因数の和:3752

約数の個数: 16

約数和(自身を含む): 27805680

約数和(自身を除く): 5945915

約数列:

[1, 5, 29, 41, 145, 205, 1189, 3677, 5945, 18385, 106633, 150757, 533165, 753785, 4371953, 21859765]

約数ペア:

[(1, 21859765), (5, 4371953), (29, 753785), (41, 533165), (145, 150757), (205, 106633), (1189, 18385), (3677, 5945)]