21227666

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8707}}^1$

素因数の和:8785

約数の個数: 16

約数和(自身を含む): 33856704

約数和(自身を除く): 12629038

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8707, 17414, 200261, 400522, 461471, 922942, 10613833, 21227666]

約数ペア:

[(1, 21227666), (2, 10613833), (23, 922942), (46, 461471), (53, 400522), (106, 200261), (1219, 17414), (2438, 8707)]