21100432

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{10067}}^1$

素因数の和:10206

約数の個数: 20

約数和(自身を含む): 41198256

約数和(自身を除く): 20097824

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 10067, 20134, 40268, 80536, 161072, 1318777, 2637554, 5275108, 10550216, 21100432]

約数ペア:

[(1, 21100432), (2, 10550216), (4, 5275108), (8, 2637554), (16, 1318777), (131, 161072), (262, 80536), (524, 40268), (1048, 20134), (2096, 10067)]