21249168

素因数分解:

$2^4\times 3^1\times {\mathrm{442691}}^1$

素因数の和:442702

約数の個数: 20

約数和(自身を含む): 54893808

約数和(自身を除く): 33644640

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 442691, 885382, 1328073, 1770764, 2656146, 3541528, 5312292, 7083056, 10624584, 21249168]

約数ペア:

[(1, 21249168), (2, 10624584), (3, 7083056), (4, 5312292), (6, 3541528), (8, 2656146), (12, 1770764), (16, 1328073), (24, 885382), (48, 442691)]