21854800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{4967}}^1$

素因数の和:4996

約数の個数: 60

約数和(自身を含む): 57290976

約数和(自身を除く): 35436176

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 4400, 4967, 9934, 19868, 24835, 39736, 49670, 54637, 79472, 99340, 109274, 124175, 198680, 218548, 248350, 273185, 397360, 437096, 496700, 546370, 874192, 993400, 1092740, 1365925, 1986800, 2185480, 2731850, 4370960, 5463700, 10927400, 21854800]

約数ペア:

[(1, 21854800), (2, 10927400), (4, 5463700), (5, 4370960), (8, 2731850), (10, 2185480), (11, 1986800), (16, 1365925), (20, 1092740), (22, 993400), (25, 874192), (40, 546370), (44, 496700), (50, 437096), (55, 397360), (80, 273185), (88, 248350), (100, 218548), (110, 198680), (176, 124175), (200, 109274), (220, 99340), (275, 79472), (400, 54637), (440, 49670), (550, 39736), (880, 24835), (1100, 19868), (2200, 9934), (4400, 4967)]