21054090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:931

約数の個数: 64

約数和(自身を含む): 54489600

約数和(自身を除く): 33435510

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 43, 57, 86, 95, 114, 129, 190, 215, 258, 285, 430, 570, 645, 817, 859, 1290, 1634, 1718, 2451, 2577, 4085, 4295, 4902, 5154, 8170, 8590, 12255, 12885, 16321, 24510, 25770, 32642, 36937, 48963, 73874, 81605, 97926, 110811, 163210, 184685, 221622, 244815, 369370, 489630, 554055, 701803, 1108110, 1403606, 2105409, 3509015, 4210818, 7018030, 10527045, 21054090]

約数ペア:

[(1, 21054090), (2, 10527045), (3, 7018030), (5, 4210818), (6, 3509015), (10, 2105409), (15, 1403606), (19, 1108110), (30, 701803), (38, 554055), (43, 489630), (57, 369370), (86, 244815), (95, 221622), (114, 184685), (129, 163210), (190, 110811), (215, 97926), (258, 81605), (285, 73874), (430, 48963), (570, 36937), (645, 32642), (817, 25770), (859, 24510), (1290, 16321), (1634, 12885), (1718, 12255), (2451, 8590), (2577, 8170), (4085, 5154), (4295, 4902)]