21056670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{5441}}^1$

素因数の和:5497

約数の個数: 48

約数和(自身を含む): 56030832

約数和(自身を除く): 34974162

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 5441, 10882, 16323, 27205, 32646, 48969, 54410, 81615, 97938, 163230, 233963, 244845, 467926, 489690, 701889, 1169815, 1403778, 2105667, 2339630, 3509445, 4211334, 7018890, 10528335, 21056670]

約数ペア:

[(1, 21056670), (2, 10528335), (3, 7018890), (5, 4211334), (6, 3509445), (9, 2339630), (10, 2105667), (15, 1403778), (18, 1169815), (30, 701889), (43, 489690), (45, 467926), (86, 244845), (90, 233963), (129, 163230), (215, 97938), (258, 81615), (387, 54410), (430, 48969), (645, 32646), (774, 27205), (1290, 16323), (1935, 10882), (3870, 5441)]