21550941

素因数分解:

$3^5\times {\mathrm{131}}^1\times {\mathrm{677}}^1$

素因数の和:823

約数の個数: 24

約数和(自身を含む): 32576544

約数和(自身を除く): 11025603

約数列:

[1, 3, 9, 27, 81, 131, 243, 393, 677, 1179, 2031, 3537, 6093, 10611, 18279, 31833, 54837, 88687, 164511, 266061, 798183, 2394549, 7183647, 21550941]

約数ペア:

[(1, 21550941), (3, 7183647), (9, 2394549), (27, 798183), (81, 266061), (131, 164511), (243, 88687), (393, 54837), (677, 31833), (1179, 18279), (2031, 10611), (3537, 6093)]