21178998

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{51157}}^1$

素因数の和:51188

約数の個数: 24

約数和(自身を含む): 47883888

約数和(自身を除く): 26704890

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 51157, 102314, 153471, 306942, 460413, 920826, 1176611, 2353222, 3529833, 7059666, 10589499, 21178998]

約数ペア:

[(1, 21178998), (2, 10589499), (3, 7059666), (6, 3529833), (9, 2353222), (18, 1176611), (23, 920826), (46, 460413), (69, 306942), (138, 153471), (207, 102314), (414, 51157)]