21882032

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:477

約数の個数: 40

約数和(自身を含む): 44199552

約数和(自身を除く): 22317520

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 281, 314, 496, 562, 628, 1124, 1256, 2248, 2512, 4496, 4867, 8711, 9734, 17422, 19468, 34844, 38936, 44117, 69688, 77872, 88234, 139376, 176468, 352936, 705872, 1367627, 2735254, 5470508, 10941016, 21882032]

約数ペア:

[(1, 21882032), (2, 10941016), (4, 5470508), (8, 2735254), (16, 1367627), (31, 705872), (62, 352936), (124, 176468), (157, 139376), (248, 88234), (281, 77872), (314, 69688), (496, 44117), (562, 38936), (628, 34844), (1124, 19468), (1256, 17422), (2248, 9734), (2512, 8711), (4496, 4867)]