21442280

素因数分解:

$2^3\times 5^1\times {\mathrm{536057}}^1$

素因数の和:536068

約数の個数: 16

約数和(自身を含む): 48245220

約数和(自身を除く): 26802940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 536057, 1072114, 2144228, 2680285, 4288456, 5360570, 10721140, 21442280]

約数ペア:

[(1, 21442280), (2, 10721140), (4, 5360570), (5, 4288456), (8, 2680285), (10, 2144228), (20, 1072114), (40, 536057)]