21191038

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{6379}}^1$

素因数の和:6543

約数の個数: 16

約数和(自身を含む): 34911360

約数和(自身を除く): 13720322

約数列:

[1, 2, 11, 22, 151, 302, 1661, 3322, 6379, 12758, 70169, 140338, 963229, 1926458, 10595519, 21191038]

約数ペア:

[(1, 21191038), (2, 10595519), (11, 1926458), (22, 963229), (151, 140338), (302, 70169), (1661, 12758), (3322, 6379)]