21630400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1229}}^1$

素因数の和:1262

約数の個数: 84

約数和(自身を含む): 58110120

約数和(自身を除く): 36479720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1229, 1600, 1760, 2200, 2458, 3520, 4400, 4916, 6145, 8800, 9832, 12290, 13519, 17600, 19664, 24580, 27038, 30725, 39328, 49160, 54076, 61450, 67595, 78656, 98320, 108152, 122900, 135190, 196640, 216304, 245800, 270380, 337975, 393280, 432608, 491600, 540760, 675950, 865216, 983200, 1081520, 1351900, 1966400, 2163040, 2703800, 4326080, 5407600, 10815200, 21630400]

約数ペア:

[(1, 21630400), (2, 10815200), (4, 5407600), (5, 4326080), (8, 2703800), (10, 2163040), (11, 1966400), (16, 1351900), (20, 1081520), (22, 983200), (25, 865216), (32, 675950), (40, 540760), (44, 491600), (50, 432608), (55, 393280), (64, 337975), (80, 270380), (88, 245800), (100, 216304), (110, 196640), (160, 135190), (176, 122900), (200, 108152), (220, 98320), (275, 78656), (320, 67595), (352, 61450), (400, 54076), (440, 49160), (550, 39328), (704, 30725), (800, 27038), (880, 24580), (1100, 19664), (1229, 17600), (1600, 13519), (1760, 12290), (2200, 9832), (2458, 8800), (3520, 6145), (4400, 4916)]