21584254

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:492

約数の個数: 24

約数和(自身を含む): 34813800

約数和(自身を除く): 13229546

約数列:

[1, 2, 17, 34, 107, 214, 289, 349, 578, 698, 1819, 3638, 5933, 11866, 30923, 37343, 61846, 74686, 100861, 201722, 634831, 1269662, 10792127, 21584254]

約数ペア:

[(1, 21584254), (2, 10792127), (17, 1269662), (34, 634831), (107, 201722), (214, 100861), (289, 74686), (349, 61846), (578, 37343), (698, 30923), (1819, 11866), (3638, 5933)]