21461427

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{3109}}^1$

素因数の和:3187

約数の個数: 24

約数和(自身を含む): 33961200

約数和(自身を除く): 12499773

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 531, 767, 2301, 3109, 6903, 9327, 27981, 40417, 121251, 183431, 363753, 550293, 1650879, 2384603, 7153809, 21461427]

約数ペア:

[(1, 21461427), (3, 7153809), (9, 2384603), (13, 1650879), (39, 550293), (59, 363753), (117, 183431), (177, 121251), (531, 40417), (767, 27981), (2301, 9327), (3109, 6903)]