21483560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 96

約数和(自身を含む): 57312360

約数和(自身を除く): 35828800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 97, 98, 113, 140, 194, 196, 226, 245, 280, 388, 392, 452, 485, 490, 565, 679, 776, 791, 904, 970, 980, 1130, 1358, 1582, 1940, 1960, 2260, 2716, 3164, 3395, 3880, 3955, 4520, 4753, 5432, 5537, 6328, 6790, 7910, 9506, 10961, 11074, 13580, 15820, 19012, 21922, 22148, 23765, 27160, 27685, 31640, 38024, 43844, 44296, 47530, 54805, 55370, 76727, 87688, 95060, 109610, 110740, 153454, 190120, 219220, 221480, 306908, 383635, 438440, 537089, 613816, 767270, 1074178, 1534540, 2148356, 2685445, 3069080, 4296712, 5370890, 10741780, 21483560]

約数ペア:

[(1, 21483560), (2, 10741780), (4, 5370890), (5, 4296712), (7, 3069080), (8, 2685445), (10, 2148356), (14, 1534540), (20, 1074178), (28, 767270), (35, 613816), (40, 537089), (49, 438440), (56, 383635), (70, 306908), (97, 221480), (98, 219220), (113, 190120), (140, 153454), (194, 110740), (196, 109610), (226, 95060), (245, 87688), (280, 76727), (388, 55370), (392, 54805), (452, 47530), (485, 44296), (490, 43844), (565, 38024), (679, 31640), (776, 27685), (791, 27160), (904, 23765), (970, 22148), (980, 21922), (1130, 19012), (1358, 15820), (1582, 13580), (1940, 11074), (1960, 10961), (2260, 9506), (2716, 7910), (3164, 6790), (3395, 6328), (3880, 5537), (3955, 5432), (4520, 4753)]