22128421

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1787}}^1$

素因数の和:1884

約数の個数: 16

約数和(自身を含む): 26605440

約数和(自身を除く): 4477019

約数列:

[1, 7, 29, 61, 203, 427, 1769, 1787, 12383, 12509, 51823, 109007, 362761, 763049, 3161203, 22128421]

約数ペア:

[(1, 22128421), (7, 3161203), (29, 763049), (61, 362761), (203, 109007), (427, 51823), (1769, 12509), (1787, 12383)]