21644133

素因数分解:

$3^1\times 7^2\times {\mathrm{113}}^1\times {\mathrm{1303}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 33893568

約数和(自身を除く): 12249435

約数列:

[1, 3, 7, 21, 49, 113, 147, 339, 791, 1303, 2373, 3909, 5537, 9121, 16611, 27363, 63847, 147239, 191541, 441717, 1030673, 3092019, 7214711, 21644133]

約数ペア:

[(1, 21644133), (3, 7214711), (7, 3092019), (21, 1030673), (49, 441717), (113, 191541), (147, 147239), (339, 63847), (791, 27363), (1303, 16611), (2373, 9121), (3909, 5537)]