21862375

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 29165760

約数和(自身を除く): 7303385

約数列:

[1, 5, 25, 29, 37, 125, 145, 163, 185, 725, 815, 925, 1073, 3625, 4075, 4625, 4727, 5365, 6031, 20375, 23635, 26825, 30155, 118175, 134125, 150775, 174899, 590875, 753875, 874495, 4372475, 21862375]

約数ペア:

[(1, 21862375), (5, 4372475), (25, 874495), (29, 753875), (37, 590875), (125, 174899), (145, 150775), (163, 134125), (185, 118175), (725, 30155), (815, 26825), (925, 23635), (1073, 20375), (3625, 6031), (4075, 5365), (4625, 4727)]