21102331

素因数分解:

${\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{263}}^1$

素因数の和:426

約数の個数: 16

約数和(自身を含む): 23063040

約数和(自身を除く): 1960709

約数列:

[1, 19, 41, 103, 263, 779, 1957, 4223, 4997, 10783, 27089, 80237, 204877, 514691, 1110649, 21102331]

約数ペア:

[(1, 21102331), (19, 1110649), (41, 514691), (103, 204877), (263, 80237), (779, 27089), (1957, 10783), (4223, 4997)]