21131446192

素因数分解:

$2^4\times {\mathrm{1877}}^1\times {\mathrm{703631}}^1$

素因数の和:705516

約数の個数: 20

約数和(自身を含む): 40964047776

約数和(自身を除く): 19832601584

約数列:

[1, 2, 4, 8, 16, 1877, 3754, 7508, 15016, 30032, 703631, 1407262, 2814524, 5629048, 11258096, 1320715387, 2641430774, 5282861548, 10565723096, 21131446192]

約数ペア:

[(1, 21131446192), (2, 10565723096), (4, 5282861548), (8, 2641430774), (16, 1320715387), (1877, 11258096), (3754, 5629048), (7508, 2814524), (15016, 1407262), (30032, 703631)]