21696898

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{2389}}^1$

素因数の和:2649

約数の個数: 16

約数和(自身を含む): 34416000

約数和(自身を除く): 12719102

約数列:

[1, 2, 19, 38, 239, 478, 2389, 4541, 4778, 9082, 45391, 90782, 570971, 1141942, 10848449, 21696898]

約数ペア:

[(1, 21696898), (2, 10848449), (19, 1141942), (38, 570971), (239, 90782), (478, 45391), (2389, 9082), (4541, 4778)]