21249050

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{6343}}^1$

素因数の和:6422

約数の個数: 24

約数和(自身を含む): 40119456

約数和(自身を除く): 18870406

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 6343, 12686, 31715, 63430, 158575, 317150, 424981, 849962, 2124905, 4249810, 10624525, 21249050]

約数ペア:

[(1, 21249050), (2, 10624525), (5, 4249810), (10, 2124905), (25, 849962), (50, 424981), (67, 317150), (134, 158575), (335, 63430), (670, 31715), (1675, 12686), (3350, 6343)]