21859902

素因数分解:

$2^1\times 3^3\times {\mathrm{331}}^1\times {\mathrm{1223}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 48764160

約数和(自身を除く): 26904258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 331, 662, 993, 1223, 1986, 2446, 2979, 3669, 5958, 7338, 8937, 11007, 17874, 22014, 33021, 66042, 404813, 809626, 1214439, 2428878, 3643317, 7286634, 10929951, 21859902]

約数ペア:

[(1, 21859902), (2, 10929951), (3, 7286634), (6, 3643317), (9, 2428878), (18, 1214439), (27, 809626), (54, 404813), (331, 66042), (662, 33021), (993, 22014), (1223, 17874), (1986, 11007), (2446, 8937), (2979, 7338), (3669, 5958)]