21749996

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{4007}}^1$

素因数の和:4093

約数の個数: 24

約数和(自身を含む): 40400640

約数和(自身を除く): 18650644

約数列:

[1, 2, 4, 23, 46, 59, 92, 118, 236, 1357, 2714, 4007, 5428, 8014, 16028, 92161, 184322, 236413, 368644, 472826, 945652, 5437499, 10874998, 21749996]

約数ペア:

[(1, 21749996), (2, 10874998), (4, 5437499), (23, 945652), (46, 472826), (59, 368644), (92, 236413), (118, 184322), (236, 92161), (1357, 16028), (2714, 8014), (4007, 5428)]