21244216

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10253}}^1$

素因数の和:10303

約数の個数: 32

約数和(自身を含む): 46758240

約数和(自身を除く): 25514024

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10253, 20506, 41012, 71771, 82024, 143542, 287084, 379361, 574168, 758722, 1517444, 2655527, 3034888, 5311054, 10622108, 21244216]

約数ペア:

[(1, 21244216), (2, 10622108), (4, 5311054), (7, 3034888), (8, 2655527), (14, 1517444), (28, 758722), (37, 574168), (56, 379361), (74, 287084), (148, 143542), (259, 82024), (296, 71771), (518, 41012), (1036, 20506), (2072, 10253)]