21350348

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{239}}^1\times {\mathrm{971}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 39191040

約数和(自身を除く): 17840692

約数列:

[1, 2, 4, 23, 46, 92, 239, 478, 956, 971, 1942, 3884, 5497, 10994, 21988, 22333, 44666, 89332, 232069, 464138, 928276, 5337587, 10675174, 21350348]

約数ペア:

[(1, 21350348), (2, 10675174), (4, 5337587), (23, 928276), (46, 464138), (92, 232069), (239, 89332), (478, 44666), (956, 22333), (971, 21988), (1942, 10994), (3884, 5497)]