21974062

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{43427}}^1$

素因数の和:43463

約数の個数: 16

約数和(自身を含む): 37521792

約数和(自身を除く): 15547730

約数列:

[1, 2, 11, 22, 23, 46, 253, 506, 43427, 86854, 477697, 955394, 998821, 1997642, 10987031, 21974062]

約数ペア:

[(1, 21974062), (2, 10987031), (11, 1997642), (22, 998821), (23, 955394), (46, 477697), (253, 86854), (506, 43427)]