21598311

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:591

約数の個数: 32

約数和(自身を含む): 34771968

約数和(自身を除く): 13173657

約数列:

[1, 3, 7, 21, 23, 69, 97, 161, 291, 461, 483, 679, 1383, 2037, 2231, 3227, 6693, 9681, 10603, 15617, 31809, 44717, 46851, 74221, 134151, 222663, 313019, 939057, 1028491, 3085473, 7199437, 21598311]

約数ペア:

[(1, 21598311), (3, 7199437), (7, 3085473), (21, 1028491), (23, 939057), (69, 313019), (97, 222663), (161, 134151), (291, 74221), (461, 46851), (483, 44717), (679, 31809), (1383, 15617), (2037, 10603), (2231, 9681), (3227, 6693)]