21167982994

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1\times {\mathrm{330409}}^1$

素因数の和:330825

約数の個数: 16

約数和(自身を含む): 32163431040

約数和(自身を除く): 10995448046

約数列:

[1, 2, 103, 206, 311, 622, 32033, 64066, 330409, 660818, 34032127, 68064254, 102757199, 205514398, 10583991497, 21167982994]

約数ペア:

[(1, 21167982994), (2, 10583991497), (103, 205514398), (206, 102757199), (311, 68064254), (622, 34032127), (32033, 660818), (64066, 330409)]