21526375

素因数分解:

$5^3\times {\mathrm{13}}^2\times {\mathrm{1019}}^1$

素因数の和:1060

約数の個数: 24

約数和(自身を含む): 29118960

約数和(自身を除く): 7592585

約数列:

[1, 5, 13, 25, 65, 125, 169, 325, 845, 1019, 1625, 4225, 5095, 13247, 21125, 25475, 66235, 127375, 172211, 331175, 861055, 1655875, 4305275, 21526375]

約数ペア:

[(1, 21526375), (5, 4305275), (13, 1655875), (25, 861055), (65, 331175), (125, 172211), (169, 127375), (325, 66235), (845, 25475), (1019, 21125), (1625, 13247), (4225, 5095)]