21375408

素因数分解:

$2^4\times 3^1\times {\mathrm{445321}}^1$

素因数の和:445332

約数の個数: 20

約数和(自身を含む): 55219928

約数和(自身を除く): 33844520

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 445321, 890642, 1335963, 1781284, 2671926, 3562568, 5343852, 7125136, 10687704, 21375408]

約数ペア:

[(1, 21375408), (2, 10687704), (3, 7125136), (4, 5343852), (6, 3562568), (8, 2671926), (12, 1781284), (16, 1335963), (24, 890642), (48, 445321)]