21560206

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{2237}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 33301440

約数和(自身を除く): 11741234

約数列:

[1, 2, 61, 79, 122, 158, 2237, 4474, 4819, 9638, 136457, 176723, 272914, 353446, 10780103, 21560206]

約数ペア:

[(1, 21560206), (2, 10780103), (61, 353446), (79, 272914), (122, 176723), (158, 136457), (2237, 9638), (4474, 4819)]