21873500

素因数分解:

$2^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 96

約数和(自身を含む): 53936064

約数和(自身を除く): 32062564

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 41, 44, 50, 55, 82, 97, 100, 110, 125, 164, 194, 205, 220, 250, 275, 388, 410, 451, 485, 500, 550, 820, 902, 970, 1025, 1067, 1100, 1375, 1804, 1940, 2050, 2134, 2255, 2425, 2750, 3977, 4100, 4268, 4510, 4850, 5125, 5335, 5500, 7954, 9020, 9700, 10250, 10670, 11275, 12125, 15908, 19885, 20500, 21340, 22550, 24250, 26675, 39770, 43747, 45100, 48500, 53350, 56375, 79540, 87494, 99425, 106700, 112750, 133375, 174988, 198850, 218735, 225500, 266750, 397700, 437470, 497125, 533500, 874940, 994250, 1093675, 1988500, 2187350, 4374700, 5468375, 10936750, 21873500]

約数ペア:

[(1, 21873500), (2, 10936750), (4, 5468375), (5, 4374700), (10, 2187350), (11, 1988500), (20, 1093675), (22, 994250), (25, 874940), (41, 533500), (44, 497125), (50, 437470), (55, 397700), (82, 266750), (97, 225500), (100, 218735), (110, 198850), (125, 174988), (164, 133375), (194, 112750), (205, 106700), (220, 99425), (250, 87494), (275, 79540), (388, 56375), (410, 53350), (451, 48500), (485, 45100), (500, 43747), (550, 39770), (820, 26675), (902, 24250), (970, 22550), (1025, 21340), (1067, 20500), (1100, 19885), (1375, 15908), (1804, 12125), (1940, 11275), (2050, 10670), (2134, 10250), (2255, 9700), (2425, 9020), (2750, 7954), (3977, 5500), (4100, 5335), (4268, 5125), (4510, 4850)]