21059115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{18233}}^1$

素因数の和:18259

約数の個数: 32

約数和(自身を含む): 42011136

約数和(自身を除く): 20952021

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 18233, 54699, 91165, 127631, 200563, 273495, 382893, 601689, 638155, 1002815, 1403941, 1914465, 3008445, 4211823, 7019705, 21059115]

約数ペア:

[(1, 21059115), (3, 7019705), (5, 4211823), (7, 3008445), (11, 1914465), (15, 1403941), (21, 1002815), (33, 638155), (35, 601689), (55, 382893), (77, 273495), (105, 200563), (165, 127631), (231, 91165), (385, 54699), (1155, 18233)]