21717605

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{809}}^1$

素因数の和:893

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 10941595

約数列:

[1, 5, 7, 13, 35, 59, 65, 91, 295, 413, 455, 767, 809, 2065, 3835, 4045, 5369, 5663, 10517, 26845, 28315, 47731, 52585, 73619, 238655, 334117, 368095, 620503, 1670585, 3102515, 4343521, 21717605]

約数ペア:

[(1, 21717605), (5, 4343521), (7, 3102515), (13, 1670585), (35, 620503), (59, 368095), (65, 334117), (91, 238655), (295, 73619), (413, 52585), (455, 47731), (767, 28315), (809, 26845), (2065, 10517), (3835, 5663), (4045, 5369)]