21704055

素因数分解:

$3^1\times 5^1\times {\mathrm{977}}^1\times {\mathrm{1481}}^1$

素因数の和:2466

約数の個数: 16

約数和(自身を含む): 34785504

約数和(自身を除く): 13081449

約数列:

[1, 3, 5, 15, 977, 1481, 2931, 4443, 4885, 7405, 14655, 22215, 1446937, 4340811, 7234685, 21704055]

約数ペア:

[(1, 21704055), (3, 7234685), (5, 4340811), (15, 1446937), (977, 22215), (1481, 14655), (2931, 7405), (4443, 4885)]