21188200

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{9631}}^1$

素因数の和:9658

約数の個数: 48

約数和(自身を含む): 53746560

約数和(自身を除く): 32558360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 9631, 19262, 38524, 48155, 77048, 96310, 105941, 192620, 211882, 240775, 385240, 423764, 481550, 529705, 847528, 963100, 1059410, 1926200, 2118820, 2648525, 4237640, 5297050, 10594100, 21188200]

約数ペア:

[(1, 21188200), (2, 10594100), (4, 5297050), (5, 4237640), (8, 2648525), (10, 2118820), (11, 1926200), (20, 1059410), (22, 963100), (25, 847528), (40, 529705), (44, 481550), (50, 423764), (55, 385240), (88, 240775), (100, 211882), (110, 192620), (200, 105941), (220, 96310), (275, 77048), (440, 48155), (550, 38524), (1100, 19262), (2200, 9631)]