21813648

素因数分解:

$2^4\times 3^1\times {\mathrm{454451}}^1$

素因数の和:454462

約数の個数: 20

約数和(自身を含む): 56352048

約数和(自身を除く): 34538400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 454451, 908902, 1363353, 1817804, 2726706, 3635608, 5453412, 7271216, 10906824, 21813648]

約数ペア:

[(1, 21813648), (2, 10906824), (3, 7271216), (4, 5453412), (6, 3635608), (8, 2726706), (12, 1817804), (16, 1363353), (24, 908902), (48, 454451)]