21264966

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 47528208

約数和(自身を除く): 26263242

約数列:

[1, 2, 3, 6, 9, 18, 61, 107, 122, 181, 183, 214, 321, 362, 366, 543, 549, 642, 963, 1086, 1098, 1629, 1926, 3258, 6527, 11041, 13054, 19367, 19581, 22082, 33123, 38734, 39162, 58101, 58743, 66246, 99369, 116202, 117486, 174303, 198738, 348606, 1181387, 2362774, 3544161, 7088322, 10632483, 21264966]

約数ペア:

[(1, 21264966), (2, 10632483), (3, 7088322), (6, 3544161), (9, 2362774), (18, 1181387), (61, 348606), (107, 198738), (122, 174303), (181, 117486), (183, 116202), (214, 99369), (321, 66246), (362, 58743), (366, 58101), (543, 39162), (549, 38734), (642, 33123), (963, 22082), (1086, 19581), (1098, 19367), (1629, 13054), (1926, 11041), (3258, 6527)]