21716563

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{3583}}^1$

素因数の和:3642

約数の個数: 16

約数和(自身を含む): 25804800

約数和(自身を除く): 4088237

約数列:

[1, 11, 19, 29, 209, 319, 551, 3583, 6061, 39413, 68077, 103907, 748847, 1142977, 1974233, 21716563]

約数ペア:

[(1, 21716563), (11, 1974233), (19, 1142977), (29, 748847), (209, 103907), (319, 68077), (551, 39413), (3583, 6061)]