21696744

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:310

約数の個数: 64

約数和(自身を含む): 56010240

約数和(自身を除く): 34313496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 103, 131, 134, 201, 206, 262, 268, 309, 393, 402, 412, 524, 536, 618, 786, 804, 824, 1048, 1236, 1572, 1608, 2472, 3144, 6901, 8777, 13493, 13802, 17554, 20703, 26331, 26986, 27604, 35108, 40479, 41406, 52662, 53972, 55208, 70216, 80958, 82812, 105324, 107944, 161916, 165624, 210648, 323832, 904031, 1808062, 2712093, 3616124, 5424186, 7232248, 10848372, 21696744]

約数ペア:

[(1, 21696744), (2, 10848372), (3, 7232248), (4, 5424186), (6, 3616124), (8, 2712093), (12, 1808062), (24, 904031), (67, 323832), (103, 210648), (131, 165624), (134, 161916), (201, 107944), (206, 105324), (262, 82812), (268, 80958), (309, 70216), (393, 55208), (402, 53972), (412, 52662), (524, 41406), (536, 40479), (618, 35108), (786, 27604), (804, 26986), (824, 26331), (1048, 20703), (1236, 17554), (1572, 13802), (1608, 13493), (2472, 8777), (3144, 6901)]