21016204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1093}}^1$

素因数の和:1150

約数の個数: 48

約数和(自身を含む): 44110080

約数和(自身を除く): 23093876

約数列:

[1, 2, 4, 11, 19, 22, 23, 38, 44, 46, 76, 92, 209, 253, 418, 437, 506, 836, 874, 1012, 1093, 1748, 2186, 4372, 4807, 9614, 12023, 19228, 20767, 24046, 25139, 41534, 48092, 50278, 83068, 100556, 228437, 276529, 456874, 477641, 553058, 913748, 955282, 1106116, 1910564, 5254051, 10508102, 21016204]

約数ペア:

[(1, 21016204), (2, 10508102), (4, 5254051), (11, 1910564), (19, 1106116), (22, 955282), (23, 913748), (38, 553058), (44, 477641), (46, 456874), (76, 276529), (92, 228437), (209, 100556), (253, 83068), (418, 50278), (437, 48092), (506, 41534), (836, 25139), (874, 24046), (1012, 20767), (1093, 19228), (1748, 12023), (2186, 9614), (4372, 4807)]