21424900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{127}}^1\times {\mathrm{241}}^1$

素因数の和:389

約数の個数: 72

約数和(自身を含む): 53774336

約数和(自身を除く): 32349436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 127, 140, 175, 241, 254, 350, 482, 508, 635, 700, 889, 964, 1205, 1270, 1687, 1778, 2410, 2540, 3175, 3374, 3556, 4445, 4820, 6025, 6350, 6748, 8435, 8890, 12050, 12700, 16870, 17780, 22225, 24100, 30607, 33740, 42175, 44450, 61214, 84350, 88900, 122428, 153035, 168700, 214249, 306070, 428498, 612140, 765175, 856996, 1071245, 1530350, 2142490, 3060700, 4284980, 5356225, 10712450, 21424900]

約数ペア:

[(1, 21424900), (2, 10712450), (4, 5356225), (5, 4284980), (7, 3060700), (10, 2142490), (14, 1530350), (20, 1071245), (25, 856996), (28, 765175), (35, 612140), (50, 428498), (70, 306070), (100, 214249), (127, 168700), (140, 153035), (175, 122428), (241, 88900), (254, 84350), (350, 61214), (482, 44450), (508, 42175), (635, 33740), (700, 30607), (889, 24100), (964, 22225), (1205, 17780), (1270, 16870), (1687, 12700), (1778, 12050), (2410, 8890), (2540, 8435), (3175, 6748), (3374, 6350), (3556, 6025), (4445, 4820)]