21795530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4421}}^1$

素因数の和:4474

約数の個数: 32

約数和(自身を含む): 42981840

約数和(自身を除く): 21186310

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4421, 4930, 8842, 22105, 44210, 75157, 128209, 150314, 256418, 375785, 641045, 751570, 1282090, 2179553, 4359106, 10897765, 21795530]

約数ペア:

[(1, 21795530), (2, 10897765), (5, 4359106), (10, 2179553), (17, 1282090), (29, 751570), (34, 641045), (58, 375785), (85, 256418), (145, 150314), (170, 128209), (290, 75157), (493, 44210), (986, 22105), (2465, 8842), (4421, 4930)]