21837123

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31511}}^1$

素因数の和:31535

約数の個数: 24

約数和(自身を含む): 39326976

約数和(自身を除く): 17489853

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31511, 94533, 220577, 283599, 346621, 661731, 1039863, 1985193, 2426347, 3119589, 7279041, 21837123]

約数ペア:

[(1, 21837123), (3, 7279041), (7, 3119589), (9, 2426347), (11, 1985193), (21, 1039863), (33, 661731), (63, 346621), (77, 283599), (99, 220577), (231, 94533), (693, 31511)]