21015940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{95527}}^1$

素因数の和:95547

約数の個数: 24

約数和(自身を含む): 48146112

約数和(自身を除く): 27130172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 95527, 191054, 382108, 477635, 955270, 1050797, 1910540, 2101594, 4203188, 5253985, 10507970, 21015940]

約数ペア:

[(1, 21015940), (2, 10507970), (4, 5253985), (5, 4203188), (10, 2101594), (11, 1910540), (20, 1050797), (22, 955270), (44, 477635), (55, 382108), (110, 191054), (220, 95527)]