21462881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 16

約数和(自身を含む): 24427008

約数和(自身を除く): 2964127

約数列:

[1, 11, 31, 113, 341, 557, 1243, 3503, 6127, 17267, 38533, 62941, 189937, 692351, 1951171, 21462881]

約数ペア:

[(1, 21462881), (11, 1951171), (31, 692351), (113, 189937), (341, 62941), (557, 38533), (1243, 17267), (3503, 6127)]