21261812

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37171}}^1$

素因数の和:37199

約数の個数: 24

約数和(自身を含む): 43714272

約数和(自身を除く): 22452460

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37171, 74342, 148684, 408881, 483223, 817762, 966446, 1635524, 1932892, 5315453, 10630906, 21261812]

約数ペア:

[(1, 21261812), (2, 10630906), (4, 5315453), (11, 1932892), (13, 1635524), (22, 966446), (26, 817762), (44, 483223), (52, 408881), (143, 148684), (286, 74342), (572, 37171)]