21430356

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{25153}}^1$

素因数の和:25231

約数の個数: 24

約数和(自身を含む): 50710464

約数和(自身を除く): 29280108

約数列:

[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 25153, 50306, 75459, 100612, 150918, 301836, 1785863, 3571726, 5357589, 7143452, 10715178, 21430356]

約数ペア:

[(1, 21430356), (2, 10715178), (3, 7143452), (4, 5357589), (6, 3571726), (12, 1785863), (71, 301836), (142, 150918), (213, 100612), (284, 75459), (426, 50306), (852, 25153)]