21350817

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5689}}^1$

素因数の和:5837

約数の個数: 16

約数和(自身を含む): 31864000

約数和(自身を除く): 10513183

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5689, 17067, 51201, 153603, 790771, 2372313, 7116939, 21350817]

約数ペア:

[(1, 21350817), (3, 7116939), (9, 2372313), (27, 790771), (139, 153603), (417, 51201), (1251, 17067), (3753, 5689)]