21463208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{4391}}^1$

素因数の和:4457

約数の個数: 32

約数和(自身を含む): 44271360

約数和(自身を除く): 22808152

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 4391, 4888, 8782, 17564, 35128, 57083, 114166, 206377, 228332, 412754, 456664, 825508, 1651016, 2682901, 5365802, 10731604, 21463208]

約数ペア:

[(1, 21463208), (2, 10731604), (4, 5365802), (8, 2682901), (13, 1651016), (26, 825508), (47, 456664), (52, 412754), (94, 228332), (104, 206377), (188, 114166), (376, 57083), (611, 35128), (1222, 17564), (2444, 8782), (4391, 4888)]