21511770

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{102437}}^1$

素因数の和:102454

約数の個数: 32

約数和(自身を含む): 59004288

約数和(自身を除く): 37492518

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 102437, 204874, 307311, 512185, 614622, 717059, 1024370, 1434118, 1536555, 2151177, 3073110, 3585295, 4302354, 7170590, 10755885, 21511770]

約数ペア:

[(1, 21511770), (2, 10755885), (3, 7170590), (5, 4302354), (6, 3585295), (7, 3073110), (10, 2151177), (14, 1536555), (15, 1434118), (21, 1024370), (30, 717059), (35, 614622), (42, 512185), (70, 307311), (105, 204874), (210, 102437)]