21850004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{3163}}^1$

素因数の和:3335

約数の個数: 24

約数和(自身を含む): 41992608

約数和(自身を除く): 20142604

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 3163, 3454, 6326, 6908, 12652, 34793, 69586, 139172, 496591, 993182, 1986364, 5462501, 10925002, 21850004]

約数ペア:

[(1, 21850004), (2, 10925002), (4, 5462501), (11, 1986364), (22, 993182), (44, 496591), (157, 139172), (314, 69586), (628, 34793), (1727, 12652), (3163, 6908), (3454, 6326)]