21310355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{5783}}^1$

素因数の和:5866

約数の個数: 16

約数和(自身を含む): 28318464

約数和(自身を除く): 7008109

約数列:

[1, 5, 11, 55, 67, 335, 737, 3685, 5783, 28915, 63613, 318065, 387461, 1937305, 4262071, 21310355]

約数ペア:

[(1, 21310355), (5, 4262071), (11, 1937305), (55, 387461), (67, 318065), (335, 63613), (737, 28915), (3685, 5783)]