21103875110

素因数分解:

$2^1\times 5^1\times {\mathrm{27241}}^1\times {\mathrm{77471}}^1$

素因数の和:104719

約数の個数: 16

約数和(自身を含む): 37988860032

約数和(自身を除く): 16884984922

約数列:

[1, 2, 5, 10, 27241, 54482, 77471, 136205, 154942, 272410, 387355, 774710, 2110387511, 4220775022, 10551937555, 21103875110]

約数ペア:

[(1, 21103875110), (2, 10551937555), (5, 4220775022), (10, 2110387511), (27241, 774710), (54482, 387355), (77471, 272410), (136205, 154942)]