21131214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{270913}}^1$

素因数の和:270931

約数の個数: 16

約数和(自身を含む): 45513552

約数和(自身を除く): 24382338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 270913, 541826, 812739, 1625478, 3521869, 7043738, 10565607, 21131214]

約数ペア:

[(1, 21131214), (2, 10565607), (3, 7043738), (6, 3521869), (13, 1625478), (26, 812739), (39, 541826), (78, 270913)]