21005358610

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2383}}^1\times {\mathrm{2729}}^1$

素因数の和:5155

約数の個数: 64

約数和(自身を含む): 42173913600

約数和(自身を除く): 21168554990

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 85, 95, 170, 190, 323, 646, 1615, 2383, 2729, 3230, 4766, 5458, 11915, 13645, 23830, 27290, 40511, 45277, 46393, 51851, 81022, 90554, 92786, 103702, 202555, 226385, 231965, 259255, 405110, 452770, 463930, 518510, 769709, 881467, 1539418, 1762934, 3848545, 4407335, 6503207, 7697090, 8814670, 13006414, 32516035, 65032070, 110554519, 123560933, 221109038, 247121866, 552772595, 617804665, 1105545190, 1235609330, 2100535861, 4201071722, 10502679305, 21005358610]

約数ペア:

[(1, 21005358610), (2, 10502679305), (5, 4201071722), (10, 2100535861), (17, 1235609330), (19, 1105545190), (34, 617804665), (38, 552772595), (85, 247121866), (95, 221109038), (170, 123560933), (190, 110554519), (323, 65032070), (646, 32516035), (1615, 13006414), (2383, 8814670), (2729, 7697090), (3230, 6503207), (4766, 4407335), (5458, 3848545), (11915, 1762934), (13645, 1539418), (23830, 881467), (27290, 769709), (40511, 518510), (45277, 463930), (46393, 452770), (51851, 405110), (81022, 259255), (90554, 231965), (92786, 226385), (103702, 202555)]