21405714

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{324329}}^1$

素因数の和:324345

約数の個数: 16

約数和(自身を含む): 46703520

約数和(自身を除く): 25297806

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 324329, 648658, 972987, 1945974, 3567619, 7135238, 10702857, 21405714]

約数ペア:

[(1, 21405714), (2, 10702857), (3, 7135238), (6, 3567619), (11, 1945974), (22, 972987), (33, 648658), (66, 324329)]