21988061

素因数分解:

${\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 16

約数和(自身を含む): 23587200

約数和(自身を除く): 1599139

約数列:

[1, 29, 59, 71, 181, 1711, 2059, 4189, 5249, 10679, 12851, 121481, 309691, 372679, 758209, 21988061]

約数ペア:

[(1, 21988061), (29, 758209), (59, 372679), (71, 309691), (181, 121481), (1711, 12851), (2059, 10679), (4189, 5249)]