21915046.000000000

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{93283}}^1$

素因数の和:93319

約数の個数: 48

約数和(自身を含む): 523882944

約数和(自身を除く): 330787134

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 90, 115, 138, 207, 230, 345, 414, 690, 1035, 2070, 93283, 186566, 279849, 466415, 559698, 839547, 932830, 1399245, 1679094, 2145509, 2798490, 4197735, 4291018, 6436527, 8395470, 10727545, 12873054, 19309581, 21455090, 32182635, 38619162, 64365270, 96547905, 193095810]

約数ペア:

[(1, 193095810), (2, 96547905), (3, 64365270), (5, 38619162), (6, 32182635), (9, 21455090), (10, 19309581), (15, 12873054), (18, 10727545), (23, 8395470), (30, 6436527), (45, 4291018), (46, 4197735), (69, 2798490), (90, 2145509), (115, 1679094), (138, 1399245), (207, 932830), (230, 839547), (345, 559698), (414, 466415), (690, 279849), (1035, 186566), (2070, 93283)]