21058350

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:194

約数の個数: 96

約数和(自身を含む): 55710720

約数和(自身を除く): 34652370

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 29, 30, 47, 50, 58, 75, 87, 94, 103, 141, 145, 150, 174, 206, 235, 282, 290, 309, 435, 470, 515, 618, 705, 725, 870, 1030, 1175, 1363, 1410, 1450, 1545, 2175, 2350, 2575, 2726, 2987, 3090, 3525, 4089, 4350, 4841, 5150, 5974, 6815, 7050, 7725, 8178, 8961, 9682, 13630, 14523, 14935, 15450, 17922, 20445, 24205, 29046, 29870, 34075, 40890, 44805, 48410, 68150, 72615, 74675, 89610, 102225, 121025, 140389, 145230, 149350, 204450, 224025, 242050, 280778, 363075, 421167, 448050, 701945, 726150, 842334, 1403890, 2105835, 3509725, 4211670, 7019450, 10529175, 21058350]

約数ペア:

[(1, 21058350), (2, 10529175), (3, 7019450), (5, 4211670), (6, 3509725), (10, 2105835), (15, 1403890), (25, 842334), (29, 726150), (30, 701945), (47, 448050), (50, 421167), (58, 363075), (75, 280778), (87, 242050), (94, 224025), (103, 204450), (141, 149350), (145, 145230), (150, 140389), (174, 121025), (206, 102225), (235, 89610), (282, 74675), (290, 72615), (309, 68150), (435, 48410), (470, 44805), (515, 40890), (618, 34075), (705, 29870), (725, 29046), (870, 24205), (1030, 20445), (1175, 17922), (1363, 15450), (1410, 14935), (1450, 14523), (1545, 13630), (2175, 9682), (2350, 8961), (2575, 8178), (2726, 7725), (2987, 7050), (3090, 6815), (3525, 5974), (4089, 5150), (4350, 4841)]