21167809929

素因数分解:

$3^2\times 7^2\times {\mathrm{89}}^1\times {\mathrm{539321}}^1$

素因数の和:539430

約数の個数: 36

約数和(自身を含む): 35967384180

約数和(自身を除く): 14799574251

約数列:

[1, 3, 7, 9, 21, 49, 63, 89, 147, 267, 441, 623, 801, 1869, 4361, 5607, 13083, 39249, 539321, 1617963, 3775247, 4853889, 11325741, 26426729, 33977223, 47999569, 79280187, 143998707, 237840561, 335996983, 431996121, 1007990949, 2351978881, 3023972847, 7055936643, 21167809929]

約数ペア:

[(1, 21167809929), (3, 7055936643), (7, 3023972847), (9, 2351978881), (21, 1007990949), (49, 431996121), (63, 335996983), (89, 237840561), (147, 143998707), (267, 79280187), (441, 47999569), (623, 33977223), (801, 26426729), (1869, 11325741), (4361, 4853889), (5607, 3775247), (13083, 1617963), (39249, 539321)]