21621950786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{919}}^1\times {\mathrm{691991}}^1$

素因数の和:692929

約数の個数: 16

約数和(自身を含む): 34378162560

約数和(自身を除く): 12756211774

約数列:

[1, 2, 17, 34, 919, 1838, 15623, 31246, 691991, 1383982, 11763847, 23527694, 635939729, 1271879458, 10810975393, 21621950786]

約数ペア:

[(1, 21621950786), (2, 10810975393), (17, 1271879458), (34, 635939729), (919, 23527694), (1838, 11763847), (15623, 1383982), (31246, 691991)]