21734779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^2$

素因数の和:398

約数の個数: 12

約数和(自身を含む): 24139080

約数和(自身を除く): 2404301

約数列:

[1, 11, 89, 149, 979, 1639, 13261, 22201, 145871, 244211, 1975889, 21734779]

約数ペア:

[(1, 21734779), (11, 1975889), (89, 244211), (149, 145871), (979, 22201), (1639, 13261)]