21947983

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{653}}^1$

素因数の和:762

約数の個数: 16

約数和(自身を含む): 24328800

約数和(自身を除く): 2380817

約数列:

[1, 19, 29, 61, 551, 653, 1159, 1769, 12407, 18937, 33611, 39833, 359803, 756827, 1155157, 21947983]

約数ペア:

[(1, 21947983), (19, 1155157), (29, 756827), (61, 359803), (551, 39833), (653, 33611), (1159, 18937), (1769, 12407)]