21798658

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{91591}}^1$

素因数の和:91617

約数の個数: 16

約数和(自身を含む): 39567744

約数和(自身を除く): 17769086

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 91591, 183182, 641137, 1282274, 1557047, 3114094, 10899329, 21798658]

約数ペア:

[(1, 21798658), (2, 10899329), (7, 3114094), (14, 1557047), (17, 1282274), (34, 641137), (119, 183182), (238, 91591)]