21198732

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{863}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 31055988

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 89, 92, 138, 178, 267, 276, 356, 534, 863, 1068, 1726, 2047, 2589, 3452, 4094, 5178, 6141, 8188, 10356, 12282, 19849, 24564, 39698, 59547, 76807, 79396, 119094, 153614, 230421, 238188, 307228, 460842, 921684, 1766561, 3533122, 5299683, 7066244, 10599366, 21198732]

約数ペア:

[(1, 21198732), (2, 10599366), (3, 7066244), (4, 5299683), (6, 3533122), (12, 1766561), (23, 921684), (46, 460842), (69, 307228), (89, 238188), (92, 230421), (138, 153614), (178, 119094), (267, 79396), (276, 76807), (356, 59547), (534, 39698), (863, 24564), (1068, 19849), (1726, 12282), (2047, 10356), (2589, 8188), (3452, 6141), (4094, 5178)]