21456892

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1283}}^1$

素因数の和:1437

約数の個数: 24

約数和(自身を含む): 38936016

約数和(自身を除く): 17479124

約数列:

[1, 2, 4, 37, 74, 113, 148, 226, 452, 1283, 2566, 4181, 5132, 8362, 16724, 47471, 94942, 144979, 189884, 289958, 579916, 5364223, 10728446, 21456892]

約数ペア:

[(1, 21456892), (2, 10728446), (4, 5364223), (37, 579916), (74, 289958), (113, 189884), (148, 144979), (226, 94942), (452, 47471), (1283, 16724), (2566, 8362), (4181, 5132)]