21968174

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7829}}^1$

素因数の和:7915

約数の個数: 16

約数和(自身を含む): 34953120

約数和(自身を除く): 12984946

約数列:

[1, 2, 23, 46, 61, 122, 1403, 2806, 7829, 15658, 180067, 360134, 477569, 955138, 10984087, 21968174]

約数ペア:

[(1, 21968174), (2, 10984087), (23, 955138), (46, 477569), (61, 360134), (122, 180067), (1403, 15658), (2806, 7829)]