21306996

素因数分解:

$2^2\times 3^3\times {\mathrm{29}}^1\times {\mathrm{6803}}^1$

素因数の和:6845

約数の個数: 48

約数和(自身を含む): 57153600

約数和(自身を除く): 35846604

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 87, 108, 116, 174, 261, 348, 522, 783, 1044, 1566, 3132, 6803, 13606, 20409, 27212, 40818, 61227, 81636, 122454, 183681, 197287, 244908, 367362, 394574, 591861, 734724, 789148, 1183722, 1775583, 2367444, 3551166, 5326749, 7102332, 10653498, 21306996]

約数ペア:

[(1, 21306996), (2, 10653498), (3, 7102332), (4, 5326749), (6, 3551166), (9, 2367444), (12, 1775583), (18, 1183722), (27, 789148), (29, 734724), (36, 591861), (54, 394574), (58, 367362), (87, 244908), (108, 197287), (116, 183681), (174, 122454), (261, 81636), (348, 61227), (522, 40818), (783, 27212), (1044, 20409), (1566, 13606), (3132, 6803)]