21870746

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{11057}}^1$

素因数の和:11125

約数の個数: 16

約数和(自身を含む): 35031744

約数和(自身を除く): 13160998

約数列:

[1, 2, 23, 43, 46, 86, 989, 1978, 11057, 22114, 254311, 475451, 508622, 950902, 10935373, 21870746]

約数ペア:

[(1, 21870746), (2, 10935373), (23, 950902), (43, 508622), (46, 475451), (86, 254311), (989, 22114), (1978, 11057)]