21737475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{5683}}^1$

素因数の和:5716

約数の個数: 36

約数和(自身を含む): 41231736

約数和(自身を除く): 19494261

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 5683, 17049, 28415, 51147, 85245, 96611, 142075, 255735, 289833, 426225, 483055, 869499, 1278675, 1449165, 2415275, 4347495, 7245825, 21737475]

約数ペア:

[(1, 21737475), (3, 7245825), (5, 4347495), (9, 2415275), (15, 1449165), (17, 1278675), (25, 869499), (45, 483055), (51, 426225), (75, 289833), (85, 255735), (153, 142075), (225, 96611), (255, 85245), (425, 51147), (765, 28415), (1275, 17049), (3825, 5683)]