21792008

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{12553}}^1$

素因数の和:12597

約数の個数: 32

約数和(自身を含む): 48207360

約数和(自身を除く): 26415352

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 12553, 25106, 50212, 87871, 100424, 175742, 351484, 389143, 702968, 778286, 1556572, 2724001, 3113144, 5448002, 10896004, 21792008]

約数ペア:

[(1, 21792008), (2, 10896004), (4, 5448002), (7, 3113144), (8, 2724001), (14, 1556572), (28, 778286), (31, 702968), (56, 389143), (62, 351484), (124, 175742), (217, 100424), (248, 87871), (434, 50212), (868, 25106), (1736, 12553)]