21550045

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{229}}^1$

素因数の和:333

約数の個数: 32

約数和(自身を含む): 29808000

約数和(自身を除く): 8257955

約数列:

[1, 5, 11, 29, 55, 59, 145, 229, 295, 319, 649, 1145, 1595, 1711, 2519, 3245, 6641, 8555, 12595, 13511, 18821, 33205, 67555, 73051, 94105, 148621, 365255, 391819, 743105, 1959095, 4310009, 21550045]

約数ペア:

[(1, 21550045), (5, 4310009), (11, 1959095), (29, 743105), (55, 391819), (59, 365255), (145, 148621), (229, 94105), (295, 73051), (319, 67555), (649, 33205), (1145, 18821), (1595, 13511), (1711, 12595), (2519, 8555), (3245, 6641)]