21403170

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4663}}^1$

素因数の和:4696

約数の個数: 64

約数和(自身を含む): 60445440

約数和(自身を除く): 39042270

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 4663, 9326, 13989, 23315, 27978, 41967, 46630, 69945, 79271, 83934, 125901, 139890, 158542, 209835, 237813, 251802, 396355, 419670, 475626, 629505, 713439, 792710, 1189065, 1259010, 1426878, 2140317, 2378130, 3567195, 4280634, 7134390, 10701585, 21403170]

約数ペア:

[(1, 21403170), (2, 10701585), (3, 7134390), (5, 4280634), (6, 3567195), (9, 2378130), (10, 2140317), (15, 1426878), (17, 1259010), (18, 1189065), (27, 792710), (30, 713439), (34, 629505), (45, 475626), (51, 419670), (54, 396355), (85, 251802), (90, 237813), (102, 209835), (135, 158542), (153, 139890), (170, 125901), (255, 83934), (270, 79271), (306, 69945), (459, 46630), (510, 41967), (765, 27978), (918, 23315), (1530, 13989), (2295, 9326), (4590, 4663)]