21937625

素因数分解:

$5^3\times {\mathrm{223}}^1\times {\mathrm{787}}^1$

素因数の和:1025

約数の個数: 16

約数和(自身を含む): 27535872

約数和(自身を除く): 5598247

約数列:

[1, 5, 25, 125, 223, 787, 1115, 3935, 5575, 19675, 27875, 98375, 175501, 877505, 4387525, 21937625]

約数ペア:

[(1, 21937625), (5, 4387525), (25, 877505), (125, 175501), (223, 98375), (787, 27875), (1115, 19675), (3935, 5575)]