21426595

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1249}}^1$

素因数の和:1374

約数の個数: 16

約数和(自身を含む): 26640000

約数和(自身を除く): 5213405

約数列:

[1, 5, 47, 73, 235, 365, 1249, 3431, 6245, 17155, 58703, 91177, 293515, 455885, 4285319, 21426595]

約数ペア:

[(1, 21426595), (5, 4285319), (47, 455885), (73, 293515), (235, 91177), (365, 58703), (1249, 17155), (3431, 6245)]