21056030

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4271}}^1$

素因数の和:4324

約数の個数: 32

約数和(自身を含む): 41523840

約数和(自身を除く): 20467810

約数列:

[1, 2, 5, 10, 17, 29, 34, 58, 85, 145, 170, 290, 493, 986, 2465, 4271, 4930, 8542, 21355, 42710, 72607, 123859, 145214, 247718, 363035, 619295, 726070, 1238590, 2105603, 4211206, 10528015, 21056030]

約数ペア:

[(1, 21056030), (2, 10528015), (5, 4211206), (10, 2105603), (17, 1238590), (29, 726070), (34, 619295), (58, 363035), (85, 247718), (145, 145214), (170, 123859), (290, 72607), (493, 42710), (986, 21355), (2465, 8542), (4271, 4930)]