21419960

素因数分解:

$2^3\times 5^1\times {\mathrm{535499}}^1$

素因数の和:535510

約数の個数: 16

約数和(自身を含む): 48195000

約数和(自身を除く): 26775040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 535499, 1070998, 2141996, 2677495, 4283992, 5354990, 10709980, 21419960]

約数ペア:

[(1, 21419960), (2, 10709980), (4, 5354990), (5, 4283992), (8, 2677495), (10, 2141996), (20, 1070998), (40, 535499)]