21479798

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1021}}^1$

素因数の和:1247

約数の個数: 16

約数和(自身を含む): 32941104

約数和(自身を除く): 11461306

約数列:

[1, 2, 67, 134, 157, 314, 1021, 2042, 10519, 21038, 68407, 136814, 160297, 320594, 10739899, 21479798]

約数ペア:

[(1, 21479798), (2, 10739899), (67, 320594), (134, 160297), (157, 136814), (314, 68407), (1021, 21038), (2042, 10519)]