21738904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:208

約数の個数: 64

約数和(自身を含む): 46656000

約数和(自身を除く): 24917096

約数列:

[1, 2, 4, 8, 11, 22, 44, 53, 59, 79, 88, 106, 118, 158, 212, 236, 316, 424, 472, 583, 632, 649, 869, 1166, 1298, 1738, 2332, 2596, 3127, 3476, 4187, 4661, 4664, 5192, 6254, 6952, 8374, 9322, 12508, 16748, 18644, 25016, 33496, 34397, 37288, 46057, 51271, 68794, 92114, 102542, 137588, 184228, 205084, 247033, 275176, 368456, 410168, 494066, 988132, 1976264, 2717363, 5434726, 10869452, 21738904]

約数ペア:

[(1, 21738904), (2, 10869452), (4, 5434726), (8, 2717363), (11, 1976264), (22, 988132), (44, 494066), (53, 410168), (59, 368456), (79, 275176), (88, 247033), (106, 205084), (118, 184228), (158, 137588), (212, 102542), (236, 92114), (316, 68794), (424, 51271), (472, 46057), (583, 37288), (632, 34397), (649, 33496), (869, 25016), (1166, 18644), (1298, 16748), (1738, 12508), (2332, 9322), (2596, 8374), (3127, 6952), (3476, 6254), (4187, 5192), (4661, 4664)]