21489648

素因数分解:

$2^4\times 3^1\times {\mathrm{447701}}^1$

素因数の和:447712

約数の個数: 20

約数和(自身を含む): 55515048

約数和(自身を除く): 34025400

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 447701, 895402, 1343103, 1790804, 2686206, 3581608, 5372412, 7163216, 10744824, 21489648]

約数ペア:

[(1, 21489648), (2, 10744824), (3, 7163216), (4, 5372412), (6, 3581608), (8, 2686206), (12, 1790804), (16, 1343103), (24, 895402), (48, 447701)]