21499006

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{1097}}^1$

素因数の和:1379

約数の個数: 16

約数和(自身を含む): 33203520

約数和(自身を除く): 11704514

約数列:

[1, 2, 41, 82, 239, 478, 1097, 2194, 9799, 19598, 44977, 89954, 262183, 524366, 10749503, 21499006]

約数ペア:

[(1, 21499006), (2, 10749503), (41, 524366), (82, 262183), (239, 89954), (478, 44977), (1097, 19598), (2194, 9799)]