21280382

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{1759}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 33454080

約数和(自身を除く): 12173698

約数列:

[1, 2, 23, 46, 263, 526, 1759, 3518, 6049, 12098, 40457, 80914, 462617, 925234, 10640191, 21280382]

約数ペア:

[(1, 21280382), (2, 10640191), (23, 925234), (46, 462617), (263, 80914), (526, 40457), (1759, 12098), (3518, 6049)]