21211902

素因数分解:

$2^1\times 3^3\times {\mathrm{73}}^1\times {\mathrm{5381}}^1$

素因数の和:5465

約数の個数: 32

約数和(自身を含む): 47792160

約数和(自身を除く): 26580258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 73, 146, 219, 438, 657, 1314, 1971, 3942, 5381, 10762, 16143, 32286, 48429, 96858, 145287, 290574, 392813, 785626, 1178439, 2356878, 3535317, 7070634, 10605951, 21211902]

約数ペア:

[(1, 21211902), (2, 10605951), (3, 7070634), (6, 3535317), (9, 2356878), (18, 1178439), (27, 785626), (54, 392813), (73, 290574), (146, 145287), (219, 96858), (438, 48429), (657, 32286), (1314, 16143), (1971, 10762), (3942, 5381)]