21216456

素因数分解:

$2^3\times 3^2\times {\mathrm{294673}}^1$

素因数の和:294685

約数の個数: 24

約数和(自身を含む): 57461430

約数和(自身を除く): 36244974

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 294673, 589346, 884019, 1178692, 1768038, 2357384, 2652057, 3536076, 5304114, 7072152, 10608228, 21216456]

約数ペア:

[(1, 21216456), (2, 10608228), (3, 7072152), (4, 5304114), (6, 3536076), (8, 2652057), (9, 2357384), (12, 1768038), (18, 1178692), (24, 884019), (36, 589346), (72, 294673)]