21541077

素因数分解:

$3^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{359}}^1$

素因数の和:537

約数の個数: 24

約数和(自身を含む): 32011200

約数和(自身を除く): 10470123

約数列:

[1, 3, 9, 59, 113, 177, 339, 359, 531, 1017, 1077, 3231, 6667, 20001, 21181, 40567, 60003, 63543, 121701, 190629, 365103, 2393453, 7180359, 21541077]

約数ペア:

[(1, 21541077), (3, 7180359), (9, 2393453), (59, 365103), (113, 190629), (177, 121701), (339, 63543), (359, 60003), (531, 40567), (1017, 21181), (1077, 20001), (3231, 6667)]