21704320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3083}}^1$

素因数の和:3113

約数の個数: 64

約数和(自身を含む): 56622240

約数和(自身を除く): 34917920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3083, 3520, 6166, 7040, 12332, 15415, 24664, 30830, 33913, 49328, 61660, 67826, 98656, 123320, 135652, 169565, 197312, 246640, 271304, 339130, 394624, 493280, 542608, 678260, 986560, 1085216, 1356520, 1973120, 2170432, 2713040, 4340864, 5426080, 10852160, 21704320]

約数ペア:

[(1, 21704320), (2, 10852160), (4, 5426080), (5, 4340864), (8, 2713040), (10, 2170432), (11, 1973120), (16, 1356520), (20, 1085216), (22, 986560), (32, 678260), (40, 542608), (44, 493280), (55, 394624), (64, 339130), (80, 271304), (88, 246640), (110, 197312), (128, 169565), (160, 135652), (176, 123320), (220, 98656), (320, 67826), (352, 61660), (440, 49328), (640, 33913), (704, 30830), (880, 24664), (1408, 15415), (1760, 12332), (3083, 7040), (3520, 6166)]