21485703

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{2377}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 30134016

約数和(自身を除く): 8648313

約数列:

[1, 3, 23, 69, 131, 393, 2377, 3013, 7131, 9039, 54671, 164013, 311387, 934161, 7161901, 21485703]

約数ペア:

[(1, 21485703), (3, 7161901), (23, 934161), (69, 311387), (131, 164013), (393, 54671), (2377, 9039), (3013, 7131)]