21470968

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{367}}^1$

素因数の和:547

約数の個数: 32

約数和(自身を含む): 41333760

約数和(自身を除く): 19862792

約数列:

[1, 2, 4, 8, 71, 103, 142, 206, 284, 367, 412, 568, 734, 824, 1468, 2936, 7313, 14626, 26057, 29252, 37801, 52114, 58504, 75602, 104228, 151204, 208456, 302408, 2683871, 5367742, 10735484, 21470968]

約数ペア:

[(1, 21470968), (2, 10735484), (4, 5367742), (8, 2683871), (71, 302408), (103, 208456), (142, 151204), (206, 104228), (284, 75602), (367, 58504), (412, 52114), (568, 37801), (734, 29252), (824, 26057), (1468, 14626), (2936, 7313)]