21964580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99839}}^1$

素因数の和:99859

約数の個数: 24

約数和(自身を含む): 50319360

約数和(自身を除く): 28354780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 99839, 199678, 399356, 499195, 998390, 1098229, 1996780, 2196458, 4392916, 5491145, 10982290, 21964580]

約数ペア:

[(1, 21964580), (2, 10982290), (4, 5491145), (5, 4392916), (10, 2196458), (11, 1996780), (20, 1098229), (22, 998390), (44, 499195), (55, 399356), (110, 199678), (220, 99839)]