21440392

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{36713}}^1$

素因数の和:36792

約数の個数: 16

約数和(自身を含む): 40752540

約数和(自身を除く): 19312148

約数列:

[1, 2, 4, 8, 73, 146, 292, 584, 36713, 73426, 146852, 293704, 2680049, 5360098, 10720196, 21440392]

約数ペア:

[(1, 21440392), (2, 10720196), (4, 5360098), (8, 2680049), (73, 293704), (146, 146852), (292, 73426), (584, 36713)]