21134673

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3257}}^1$

素因数の和:3373

約数の個数: 24

約数和(自身を含む): 35238528

約数和(自身を除く): 14103855

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 3257, 6489, 9771, 22799, 29313, 68397, 205191, 335471, 1006413, 2348297, 3019239, 7044891, 21134673]

約数ペア:

[(1, 21134673), (3, 7044891), (7, 3019239), (9, 2348297), (21, 1006413), (63, 335471), (103, 205191), (309, 68397), (721, 29313), (927, 22799), (2163, 9771), (3257, 6489)]