21403116

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{9437}}^1$

素因数の和:9460

約数の個数: 60

約数和(自身を含む): 63951888

約数和(自身を除く): 42548772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 378, 567, 756, 1134, 2268, 9437, 18874, 28311, 37748, 56622, 66059, 84933, 113244, 132118, 169866, 198177, 254799, 264236, 339732, 396354, 509598, 594531, 764397, 792708, 1019196, 1189062, 1528794, 1783593, 2378124, 3057588, 3567186, 5350779, 7134372, 10701558, 21403116]

約数ペア:

[(1, 21403116), (2, 10701558), (3, 7134372), (4, 5350779), (6, 3567186), (7, 3057588), (9, 2378124), (12, 1783593), (14, 1528794), (18, 1189062), (21, 1019196), (27, 792708), (28, 764397), (36, 594531), (42, 509598), (54, 396354), (63, 339732), (81, 264236), (84, 254799), (108, 198177), (126, 169866), (162, 132118), (189, 113244), (252, 84933), (324, 66059), (378, 56622), (567, 37748), (756, 28311), (1134, 18874), (2268, 9437)]