21099398

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{239}}^1\times {\mathrm{1193}}^1$

素因数の和:1471

約数の個数: 16

約数和(自身を含む): 32667840

約数和(自身を除く): 11568442

約数列:

[1, 2, 37, 74, 239, 478, 1193, 2386, 8843, 17686, 44141, 88282, 285127, 570254, 10549699, 21099398]

約数ペア:

[(1, 21099398), (2, 10549699), (37, 570254), (74, 285127), (239, 88282), (478, 44141), (1193, 17686), (2386, 8843)]