21969814

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{479}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15354986

約数列:

[1, 2, 17, 19, 34, 38, 71, 142, 323, 479, 646, 958, 1207, 1349, 2414, 2698, 8143, 9101, 16286, 18202, 22933, 34009, 45866, 68018, 154717, 309434, 578153, 646171, 1156306, 1292342, 10984907, 21969814]

約数ペア:

[(1, 21969814), (2, 10984907), (17, 1292342), (19, 1156306), (34, 646171), (38, 578153), (71, 309434), (142, 154717), (323, 68018), (479, 45866), (646, 34009), (958, 22933), (1207, 18202), (1349, 16286), (2414, 9101), (2698, 8143)]