21738574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2621}}^1$

素因数の和:2676

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 17906066

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 143, 286, 319, 377, 638, 754, 2621, 4147, 5242, 8294, 28831, 34073, 57662, 68146, 76009, 152018, 374803, 749606, 836099, 988117, 1672198, 1976234, 10869287, 21738574]

約数ペア:

[(1, 21738574), (2, 10869287), (11, 1976234), (13, 1672198), (22, 988117), (26, 836099), (29, 749606), (58, 374803), (143, 152018), (286, 76009), (319, 68146), (377, 57662), (638, 34073), (754, 28831), (2621, 8294), (4147, 5242)]