21846530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{128509}}^1$

素因数の和:128533

約数の個数: 16

約数和(自身を含む): 41637240

約数和(自身を除く): 19790710

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 128509, 257018, 642545, 1285090, 2184653, 4369306, 10923265, 21846530]

約数ペア:

[(1, 21846530), (2, 10923265), (5, 4369306), (10, 2184653), (17, 1285090), (34, 642545), (85, 257018), (170, 128509)]