21880529

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{607}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 24952320

約数和(自身を除く): 3071791

約数列:

[1, 11, 29, 113, 319, 607, 1243, 3277, 6677, 17603, 36047, 68591, 193633, 754501, 1989139, 21880529]

約数ペア:

[(1, 21880529), (11, 1989139), (29, 754501), (113, 193633), (319, 68591), (607, 36047), (1243, 17603), (3277, 6677)]