21607443

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{163}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 37250304

約数和(自身を除く): 15642861

約数列:

[1, 3, 9, 11, 13, 33, 39, 99, 103, 117, 143, 163, 309, 429, 489, 927, 1133, 1287, 1339, 1467, 1793, 2119, 3399, 4017, 5379, 6357, 10197, 12051, 14729, 16137, 16789, 19071, 23309, 44187, 50367, 69927, 132561, 151101, 184679, 209781, 218257, 554037, 654771, 1662111, 1964313, 2400827, 7202481, 21607443]

約数ペア:

[(1, 21607443), (3, 7202481), (9, 2400827), (11, 1964313), (13, 1662111), (33, 654771), (39, 554037), (99, 218257), (103, 209781), (117, 184679), (143, 151101), (163, 132561), (309, 69927), (429, 50367), (489, 44187), (927, 23309), (1133, 19071), (1287, 16789), (1339, 16137), (1467, 14729), (1793, 12051), (2119, 10197), (3399, 6357), (4017, 5379)]