21423072

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{20287}}^1$

素因数の和:20311

約数の個数: 48

約数和(自身を含む): 61350912

約数和(自身を除く): 39927840

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 44, 48, 66, 88, 96, 132, 176, 264, 352, 528, 1056, 20287, 40574, 60861, 81148, 121722, 162296, 223157, 243444, 324592, 446314, 486888, 649184, 669471, 892628, 973776, 1338942, 1785256, 1947552, 2677884, 3570512, 5355768, 7141024, 10711536, 21423072]

約数ペア:

[(1, 21423072), (2, 10711536), (3, 7141024), (4, 5355768), (6, 3570512), (8, 2677884), (11, 1947552), (12, 1785256), (16, 1338942), (22, 973776), (24, 892628), (32, 669471), (33, 649184), (44, 486888), (48, 446314), (66, 324592), (88, 243444), (96, 223157), (132, 162296), (176, 121722), (264, 81148), (352, 60861), (528, 40574), (1056, 20287)]