21413195

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{283}}^1\times {\mathrm{409}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 26548320

約数和(自身を除く): 5135125

約数列:

[1, 5, 37, 185, 283, 409, 1415, 2045, 10471, 15133, 52355, 75665, 115747, 578735, 4282639, 21413195]

約数ペア:

[(1, 21413195), (5, 4282639), (37, 578735), (185, 115747), (283, 75665), (409, 52355), (1415, 15133), (2045, 10471)]