21765708

素因数分解:

$2^2\times 3^2\times {\mathrm{604603}}^1$

素因数の和:604613

約数の個数: 18

約数和(自身を含む): 55018964

約数和(自身を除く): 33253256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 604603, 1209206, 1813809, 2418412, 3627618, 5441427, 7255236, 10882854, 21765708]

約数ペア:

[(1, 21765708), (2, 10882854), (3, 7255236), (4, 5441427), (6, 3627618), (9, 2418412), (12, 1813809), (18, 1209206), (36, 604603)]