21841183

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{617}}^1$

素因数の和:1026

約数の個数: 16

約数和(自身を含む): 26994240

約数和(自身を除く): 5153057

約数列:

[1, 7, 13, 91, 389, 617, 2723, 4319, 5057, 8021, 35399, 56147, 240013, 1680091, 3120169, 21841183]

約数ペア:

[(1, 21841183), (7, 3120169), (13, 1680091), (91, 240013), (389, 56147), (617, 35399), (2723, 8021), (4319, 5057)]