21001876

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12713}}^1$

素因数の和:12783

約数の個数: 24

約数和(自身を含む): 42719040

約数和(自身を除く): 21717164

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12713, 25426, 50852, 88991, 177982, 355964, 750067, 1500134, 3000268, 5250469, 10500938, 21001876]

約数ペア:

[(1, 21001876), (2, 10500938), (4, 5250469), (7, 3000268), (14, 1500134), (28, 750067), (59, 355964), (118, 177982), (236, 88991), (413, 50852), (826, 25426), (1652, 12713)]