21888542

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2089}}^1$

素因数の和:2148

約数の個数: 24

約数和(自身を含む): 36717120

約数和(自身を除く): 14828578

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 2089, 4178, 5239, 10478, 27157, 54314, 64759, 129518, 353041, 706082, 841867, 1683734, 10944271, 21888542]

約数ペア:

[(1, 21888542), (2, 10944271), (13, 1683734), (26, 841867), (31, 706082), (62, 353041), (169, 129518), (338, 64759), (403, 54314), (806, 27157), (2089, 10478), (4178, 5239)]