21065600

素因数分解:

$2^7\times 5^2\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 54070200

約数和(自身を除く): 33004600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 64, 80, 100, 116, 128, 145, 160, 200, 227, 232, 290, 320, 400, 454, 464, 580, 640, 725, 800, 908, 928, 1135, 1160, 1450, 1600, 1816, 1856, 2270, 2320, 2900, 3200, 3632, 3712, 4540, 4640, 5675, 5800, 6583, 7264, 9080, 9280, 11350, 11600, 13166, 14528, 18160, 18560, 22700, 23200, 26332, 29056, 32915, 36320, 45400, 46400, 52664, 65830, 72640, 90800, 92800, 105328, 131660, 145280, 164575, 181600, 210656, 263320, 329150, 363200, 421312, 526640, 658300, 726400, 842624, 1053280, 1316600, 2106560, 2633200, 4213120, 5266400, 10532800, 21065600]

約数ペア:

[(1, 21065600), (2, 10532800), (4, 5266400), (5, 4213120), (8, 2633200), (10, 2106560), (16, 1316600), (20, 1053280), (25, 842624), (29, 726400), (32, 658300), (40, 526640), (50, 421312), (58, 363200), (64, 329150), (80, 263320), (100, 210656), (116, 181600), (128, 164575), (145, 145280), (160, 131660), (200, 105328), (227, 92800), (232, 90800), (290, 72640), (320, 65830), (400, 52664), (454, 46400), (464, 45400), (580, 36320), (640, 32915), (725, 29056), (800, 26332), (908, 23200), (928, 22700), (1135, 18560), (1160, 18160), (1450, 14528), (1600, 13166), (1816, 11600), (1856, 11350), (2270, 9280), (2320, 9080), (2900, 7264), (3200, 6583), (3632, 5800), (3712, 5675), (4540, 4640)]