21193040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{24083}}^1$

素因数の和:24107

約数の個数: 40

約数和(自身を含む): 53755488

約数和(自身を除く): 32562448

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 24083, 48166, 96332, 120415, 192664, 240830, 264913, 385328, 481660, 529826, 963320, 1059652, 1324565, 1926640, 2119304, 2649130, 4238608, 5298260, 10596520, 21193040]

約数ペア:

[(1, 21193040), (2, 10596520), (4, 5298260), (5, 4238608), (8, 2649130), (10, 2119304), (11, 1926640), (16, 1324565), (20, 1059652), (22, 963320), (40, 529826), (44, 481660), (55, 385328), (80, 264913), (88, 240830), (110, 192664), (176, 120415), (220, 96332), (440, 48166), (880, 24083)]