21499086

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{919}}^1$

素因数の和:1488

約数の個数: 32

約数和(自身を含む): 49282560

約数和(自身を除く): 27783474

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 557, 919, 1114, 1671, 1838, 2757, 3342, 3899, 5514, 6433, 7798, 11697, 12866, 19299, 23394, 38598, 511883, 1023766, 1535649, 3071298, 3583181, 7166362, 10749543, 21499086]

約数ペア:

[(1, 21499086), (2, 10749543), (3, 7166362), (6, 3583181), (7, 3071298), (14, 1535649), (21, 1023766), (42, 511883), (557, 38598), (919, 23394), (1114, 19299), (1671, 12866), (1838, 11697), (2757, 7798), (3342, 6433), (3899, 5514)]