21794922

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:459

約数の個数: 48

約数和(自身を含む): 49271040

約数和(自身を除く): 27476118

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 139, 186, 278, 279, 281, 417, 558, 562, 834, 843, 1251, 1686, 2502, 2529, 4309, 5058, 8618, 8711, 12927, 17422, 25854, 26133, 38781, 39059, 52266, 77562, 78118, 78399, 117177, 156798, 234354, 351531, 703062, 1210829, 2421658, 3632487, 7264974, 10897461, 21794922]

約数ペア:

[(1, 21794922), (2, 10897461), (3, 7264974), (6, 3632487), (9, 2421658), (18, 1210829), (31, 703062), (62, 351531), (93, 234354), (139, 156798), (186, 117177), (278, 78399), (279, 78118), (281, 77562), (417, 52266), (558, 39059), (562, 38781), (834, 26133), (843, 25854), (1251, 17422), (1686, 12927), (2502, 8711), (2529, 8618), (4309, 5058)]