21048030

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2411}}^1$

素因数の和:2521

約数の個数: 48

約数和(自身を含む): 55311984

約数和(自身を除く): 34263954

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2411, 2910, 4365, 4822, 7233, 8730, 12055, 14466, 21699, 24110, 36165, 43398, 72330, 108495, 216990, 233867, 467734, 701601, 1169335, 1403202, 2104803, 2338670, 3508005, 4209606, 7016010, 10524015, 21048030]

約数ペア:

[(1, 21048030), (2, 10524015), (3, 7016010), (5, 4209606), (6, 3508005), (9, 2338670), (10, 2104803), (15, 1403202), (18, 1169335), (30, 701601), (45, 467734), (90, 233867), (97, 216990), (194, 108495), (291, 72330), (485, 43398), (582, 36165), (873, 24110), (970, 21699), (1455, 14466), (1746, 12055), (2411, 8730), (2910, 7233), (4365, 4822)]