21487414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1697}}^1$

素因数の和:2199

約数の個数: 16

約数和(自身を含む): 34802208

約数和(自身を除く): 13314794

約数列:

[1, 2, 13, 26, 487, 974, 1697, 3394, 6331, 12662, 22061, 44122, 826439, 1652878, 10743707, 21487414]

約数ペア:

[(1, 21487414), (2, 10743707), (13, 1652878), (26, 826439), (487, 44122), (974, 22061), (1697, 12662), (3394, 6331)]