21569284

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{1481}}^1$

素因数の和:1827

約数の個数: 24

約数和(自身を含む): 41330016

約数和(自身を除く): 19760732

約数列:

[1, 2, 4, 11, 22, 44, 331, 662, 1324, 1481, 2962, 3641, 5924, 7282, 14564, 16291, 32582, 65164, 490211, 980422, 1960844, 5392321, 10784642, 21569284]

約数ペア:

[(1, 21569284), (2, 10784642), (4, 5392321), (11, 1960844), (22, 980422), (44, 490211), (331, 65164), (662, 32582), (1324, 16291), (1481, 14564), (2962, 7282), (3641, 5924)]