21604000

素因数分解:

$2^5\times 5^3\times {\mathrm{11}}^1\times {\mathrm{491}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 58024512

約数和(自身を除く): 36420512

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 352, 400, 440, 491, 500, 550, 800, 880, 982, 1000, 1100, 1375, 1760, 1964, 2000, 2200, 2455, 2750, 3928, 4000, 4400, 4910, 5401, 5500, 7856, 8800, 9820, 10802, 11000, 12275, 15712, 19640, 21604, 22000, 24550, 27005, 39280, 43208, 44000, 49100, 54010, 61375, 78560, 86416, 98200, 108020, 122750, 135025, 172832, 196400, 216040, 245500, 270050, 392800, 432080, 491000, 540100, 675125, 864160, 982000, 1080200, 1350250, 1964000, 2160400, 2700500, 4320800, 5401000, 10802000, 21604000]

約数ペア:

[(1, 21604000), (2, 10802000), (4, 5401000), (5, 4320800), (8, 2700500), (10, 2160400), (11, 1964000), (16, 1350250), (20, 1080200), (22, 982000), (25, 864160), (32, 675125), (40, 540100), (44, 491000), (50, 432080), (55, 392800), (80, 270050), (88, 245500), (100, 216040), (110, 196400), (125, 172832), (160, 135025), (176, 122750), (200, 108020), (220, 98200), (250, 86416), (275, 78560), (352, 61375), (400, 54010), (440, 49100), (491, 44000), (500, 43208), (550, 39280), (800, 27005), (880, 24550), (982, 22000), (1000, 21604), (1100, 19640), (1375, 15712), (1760, 12275), (1964, 11000), (2000, 10802), (2200, 9820), (2455, 8800), (2750, 7856), (3928, 5500), (4000, 5401), (4400, 4910)]