21198408

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{11471}}^1$

素因数の和:11498

約数の個数: 64

約数和(自身を含む): 66078720

約数和(自身を除く): 44880312

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 924, 1848, 11471, 22942, 34413, 45884, 68826, 80297, 91768, 126181, 137652, 160594, 240891, 252362, 275304, 321188, 378543, 481782, 504724, 642376, 757086, 883267, 963564, 1009448, 1514172, 1766534, 1927128, 2649801, 3028344, 3533068, 5299602, 7066136, 10599204, 21198408]

約数ペア:

[(1, 21198408), (2, 10599204), (3, 7066136), (4, 5299602), (6, 3533068), (7, 3028344), (8, 2649801), (11, 1927128), (12, 1766534), (14, 1514172), (21, 1009448), (22, 963564), (24, 883267), (28, 757086), (33, 642376), (42, 504724), (44, 481782), (56, 378543), (66, 321188), (77, 275304), (84, 252362), (88, 240891), (132, 160594), (154, 137652), (168, 126181), (231, 91768), (264, 80297), (308, 68826), (462, 45884), (616, 34413), (924, 22942), (1848, 11471)]