21552921

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{4493}}^1$

素因数の和:4553

約数の個数: 24

約数和(自身を含む): 34352136

約数和(自身を除く): 12799215

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 369, 533, 1599, 4493, 4797, 13479, 40437, 58409, 175227, 184213, 525681, 552639, 1657917, 2394769, 7184307, 21552921]

約数ペア:

[(1, 21552921), (3, 7184307), (9, 2394769), (13, 1657917), (39, 552639), (41, 525681), (117, 184213), (123, 175227), (369, 58409), (533, 40437), (1599, 13479), (4493, 4797)]