21064.0000000

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5477}}^1$

素因数の和:5505

約数の個数: 24

約数和(自身を含む): 5521824

約数和(自身を除く): 2914772

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 5477, 10954, 21908, 38339, 76678, 93109, 153356, 186218, 372436, 651763, 1303526, 2607052]

約数ペア:

[(1, 2607052), (2, 1303526), (4, 651763), (7, 372436), (14, 186218), (17, 153356), (28, 93109), (34, 76678), (68, 38339), (119, 21908), (238, 10954), (476, 5477)]