42129848

素因数分解:

$2^3\times {\mathrm{251}}^1\times {\mathrm{20981}}^1$

素因数の和:21238

約数の個数: 16

約数和(自身を含む): 79311960

約数和(自身を除く): 37182112

約数列:

[1, 2, 4, 8, 251, 502, 1004, 2008, 20981, 41962, 83924, 167848, 5266231, 10532462, 21064924, 42129848]

約数ペア:

[(1, 42129848), (2, 21064924), (4, 10532462), (8, 5266231), (251, 167848), (502, 83924), (1004, 41962), (2008, 20981)]