21809742

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{213821}}^1$

素因数の和:213843

約数の個数: 16

約数和(自身を含む): 46185552

約数和(自身を除く): 24375810

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 213821, 427642, 641463, 1282926, 3634957, 7269914, 10904871, 21809742]

約数ペア:

[(1, 21809742), (2, 10904871), (3, 7269914), (6, 3634957), (17, 1282926), (34, 641463), (51, 427642), (102, 213821)]