21842768

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{18701}}^1$

素因数の和:18782

約数の個数: 20

約数和(自身を含む): 42902388

約数和(自身を除く): 21059620

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 18701, 37402, 74804, 149608, 299216, 1365173, 2730346, 5460692, 10921384, 21842768]

約数ペア:

[(1, 21842768), (2, 10921384), (4, 5460692), (8, 2730346), (16, 1365173), (73, 299216), (146, 149608), (292, 74804), (584, 37402), (1168, 18701)]