21022365

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15401}}^1$

素因数の和:15429

約数の個数: 32

約数和(自身を含む): 41400576

約数和(自身を除く): 20378211

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 15401, 46203, 77005, 107807, 200213, 231015, 323421, 539035, 600639, 1001065, 1401491, 1617105, 3003195, 4204473, 7007455, 21022365]

約数ペア:

[(1, 21022365), (3, 7007455), (5, 4204473), (7, 3003195), (13, 1617105), (15, 1401491), (21, 1001065), (35, 600639), (39, 539035), (65, 323421), (91, 231015), (105, 200213), (195, 107807), (273, 77005), (455, 46203), (1365, 15401)]