21908788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{21649}}^1$

素因数の和:21687

約数の個数: 24

約数和(自身を含む): 43646400

約数和(自身を除く): 21737612

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 506, 1012, 21649, 43298, 86596, 238139, 476278, 497927, 952556, 995854, 1991708, 5477197, 10954394, 21908788]

約数ペア:

[(1, 21908788), (2, 10954394), (4, 5477197), (11, 1991708), (22, 995854), (23, 952556), (44, 497927), (46, 476278), (92, 238139), (253, 86596), (506, 43298), (1012, 21649)]