21433160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 56488320

約数和(自身を除く): 35055160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 1867, 2296, 2870, 3734, 5740, 7468, 9335, 11480, 13069, 14936, 18670, 26138, 37340, 52276, 65345, 74680, 76547, 104552, 130690, 153094, 261380, 306188, 382735, 522760, 535829, 612376, 765470, 1071658, 1530940, 2143316, 2679145, 3061880, 4286632, 5358290, 10716580, 21433160]

約数ペア:

[(1, 21433160), (2, 10716580), (4, 5358290), (5, 4286632), (7, 3061880), (8, 2679145), (10, 2143316), (14, 1530940), (20, 1071658), (28, 765470), (35, 612376), (40, 535829), (41, 522760), (56, 382735), (70, 306188), (82, 261380), (140, 153094), (164, 130690), (205, 104552), (280, 76547), (287, 74680), (328, 65345), (410, 52276), (574, 37340), (820, 26138), (1148, 18670), (1435, 14936), (1640, 13069), (1867, 11480), (2296, 9335), (2870, 7468), (3734, 5740)]