21736370

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4409}}^1$

素因数の和:4462

約数の個数: 32

約数和(自身を含む): 42865200

約数和(自身を除く): 21128830

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4409, 4930, 8818, 22045, 44090, 74953, 127861, 149906, 255722, 374765, 639305, 749530, 1278610, 2173637, 4347274, 10868185, 21736370]

約数ペア:

[(1, 21736370), (2, 10868185), (5, 4347274), (10, 2173637), (17, 1278610), (29, 749530), (34, 639305), (58, 374765), (85, 255722), (145, 149906), (170, 127861), (290, 74953), (493, 44090), (986, 22045), (2465, 8818), (4409, 4930)]