21086172

素因数分解:

$2^2\times 3^2\times {\mathrm{585727}}^1$

素因数の和:585737

約数の個数: 18

約数和(自身を含む): 53301248

約数和(自身を除く): 32215076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585727, 1171454, 1757181, 2342908, 3514362, 5271543, 7028724, 10543086, 21086172]

約数ペア:

[(1, 21086172), (2, 10543086), (3, 7028724), (4, 5271543), (6, 3514362), (9, 2342908), (12, 1757181), (18, 1171454), (36, 585727)]