21481090

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{58057}}^1$

素因数の和:58101

約数の個数: 16

約数和(自身を含む): 39711672

約数和(自身を除く): 18230582

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 58057, 116114, 290285, 580570, 2148109, 4296218, 10740545, 21481090]

約数ペア:

[(1, 21481090), (2, 10740545), (5, 4296218), (10, 2148109), (37, 580570), (74, 290285), (185, 116114), (370, 58057)]