21411962

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{443}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 38041920

約数和(自身を除く): 16629958

約数列:

[1, 2, 11, 13, 22, 26, 143, 169, 286, 338, 443, 886, 1859, 2197, 3718, 4394, 4873, 5759, 9746, 11518, 24167, 48334, 63349, 74867, 126698, 149734, 823537, 973271, 1647074, 1946542, 10705981, 21411962]

約数ペア:

[(1, 21411962), (2, 10705981), (11, 1946542), (13, 1647074), (22, 973271), (26, 823537), (143, 149734), (169, 126698), (286, 74867), (338, 63349), (443, 48334), (886, 24167), (1859, 11518), (2197, 9746), (3718, 5759), (4394, 4873)]