21009888

素因数分解:

$2^5\times 3^3\times {\mathrm{24317}}^1$

素因数の和:24336

約数の個数: 48

約数和(自身を含む): 61281360

約数和(自身を除く): 40271472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 72, 96, 108, 144, 216, 288, 432, 864, 24317, 48634, 72951, 97268, 145902, 194536, 218853, 291804, 389072, 437706, 583608, 656559, 778144, 875412, 1167216, 1313118, 1750824, 2334432, 2626236, 3501648, 5252472, 7003296, 10504944, 21009888]

約数ペア:

[(1, 21009888), (2, 10504944), (3, 7003296), (4, 5252472), (6, 3501648), (8, 2626236), (9, 2334432), (12, 1750824), (16, 1313118), (18, 1167216), (24, 875412), (27, 778144), (32, 656559), (36, 583608), (48, 437706), (54, 389072), (72, 291804), (96, 218853), (108, 194536), (144, 145902), (216, 97268), (288, 72951), (432, 48634), (864, 24317)]