21953970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{4783}}^1$

素因数の和:4816

約数の個数: 64

約数和(自身を含む): 62000640

約数和(自身を除く): 40046670

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, 4783, 9566, 14349, 23915, 28698, 43047, 47830, 71745, 81311, 86094, 129141, 143490, 162622, 215235, 243933, 258282, 406555, 430470, 487866, 645705, 731799, 813110, 1219665, 1291410, 1463598, 2195397, 2439330, 3658995, 4390794, 7317990, 10976985, 21953970]

約数ペア:

[(1, 21953970), (2, 10976985), (3, 7317990), (5, 4390794), (6, 3658995), (9, 2439330), (10, 2195397), (15, 1463598), (17, 1291410), (18, 1219665), (27, 813110), (30, 731799), (34, 645705), (45, 487866), (51, 430470), (54, 406555), (85, 258282), (90, 243933), (102, 215235), (135, 162622), (153, 143490), (170, 129141), (255, 86094), (270, 81311), (306, 71745), (459, 47830), (510, 43047), (765, 28698), (918, 23915), (1530, 14349), (2295, 9566), (4590, 4783)]