21429120153

素因数分解:

$3^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{6757843}}^1$

素因数の和:6758004

約数の個数: 16

約数和(自身を含む): 32870153216

約数和(自身を除く): 11441033063

約数列:

[1, 3, 7, 21, 151, 453, 1057, 3171, 6757843, 20273529, 47304901, 141914703, 1020434293, 3061302879, 7143040051, 21429120153]

約数ペア:

[(1, 21429120153), (3, 7143040051), (7, 3061302879), (21, 1020434293), (151, 141914703), (453, 47304901), (1057, 20273529), (3171, 6757843)]