21159396

素因数分解:

$2^2\times 3^2\times {\mathrm{709}}^1\times {\mathrm{829}}^1$

素因数の和:1548

約数の個数: 36

約数和(自身を含む): 53626300

約数和(自身を除く): 32466904

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 709, 829, 1418, 1658, 2127, 2487, 2836, 3316, 4254, 4974, 6381, 7461, 8508, 9948, 12762, 14922, 25524, 29844, 587761, 1175522, 1763283, 2351044, 3526566, 5289849, 7053132, 10579698, 21159396]

約数ペア:

[(1, 21159396), (2, 10579698), (3, 7053132), (4, 5289849), (6, 3526566), (9, 2351044), (12, 1763283), (18, 1175522), (36, 587761), (709, 29844), (829, 25524), (1418, 14922), (1658, 12762), (2127, 9948), (2487, 8508), (2836, 7461), (3316, 6381), (4254, 4974)]