21902023

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1487}}^1$

素因数の和:1614

約数の個数: 16

約数和(自身を含む): 25998336

約数和(自身を除く): 4096313

約数列:

[1, 11, 13, 103, 143, 1133, 1339, 1487, 14729, 16357, 19331, 153161, 212641, 1684771, 1991093, 21902023]

約数ペア:

[(1, 21902023), (11, 1991093), (13, 1684771), (103, 212641), (143, 153161), (1133, 19331), (1339, 16357), (1487, 14729)]