21917666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:266

約数の個数: 32

約数和(自身を含む): 35676288

約数和(自身を除く): 13758622

約数列:

[1, 2, 23, 46, 61, 73, 107, 122, 146, 214, 1403, 1679, 2461, 2806, 3358, 4453, 4922, 6527, 7811, 8906, 13054, 15622, 102419, 150121, 179653, 204838, 300242, 359306, 476471, 952942, 10958833, 21917666]

約数ペア:

[(1, 21917666), (2, 10958833), (23, 952942), (46, 476471), (61, 359306), (73, 300242), (107, 204838), (122, 179653), (146, 150121), (214, 102419), (1403, 15622), (1679, 13054), (2461, 8906), (2806, 7811), (3358, 6527), (4453, 4922)]