21198463

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2797}}^1$

素因数の和:2874

約数の個数: 16

約数和(自身を含む): 25383456

約数和(自身を除く): 4184993

約数列:

[1, 11, 13, 53, 143, 583, 689, 2797, 7579, 30767, 36361, 148241, 399971, 1630651, 1927133, 21198463]

約数ペア:

[(1, 21198463), (11, 1927133), (13, 1630651), (53, 399971), (143, 148241), (583, 36361), (689, 30767), (2797, 7579)]