21064947

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{1951}}^1$

素因数の和:2074

約数の個数: 16

約数和(自身を含む): 29045760

約数和(自身を除く): 7980813

約数列:

[1, 3, 59, 61, 177, 183, 1951, 3599, 5853, 10797, 115109, 119011, 345327, 357033, 7021649, 21064947]

約数ペア:

[(1, 21064947), (3, 7021649), (59, 357033), (61, 345327), (177, 119011), (183, 115109), (1951, 10797), (3599, 5853)]