21372252

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161911}}^1$

素因数の和:161929

約数の個数: 24

約数和(自身を含む): 54402432

約数和(自身を除く): 33030180

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161911, 323822, 485733, 647644, 971466, 1781021, 1942932, 3562042, 5343063, 7124084, 10686126, 21372252]

約数ペア:

[(1, 21372252), (2, 10686126), (3, 7124084), (4, 5343063), (6, 3562042), (11, 1942932), (12, 1781021), (22, 971466), (33, 647644), (44, 485733), (66, 323822), (132, 161911)]