21164486

素因数分解:

$2^1\times 7^1\times {\mathrm{359}}^1\times {\mathrm{4211}}^1$

素因数の和:4579

約数の個数: 16

約数和(自身を含む): 36391680

約数和(自身を除く): 15227194

約数列:

[1, 2, 7, 14, 359, 718, 2513, 4211, 5026, 8422, 29477, 58954, 1511749, 3023498, 10582243, 21164486]

約数ペア:

[(1, 21164486), (2, 10582243), (7, 3023498), (14, 1511749), (359, 58954), (718, 29477), (2513, 8422), (4211, 5026)]