21397882

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{3049}}^1$

素因数の和:3102

約数の個数: 24

約数和(自身を含む): 36508500

約数和(自身を除く): 15110618

約数列:

[1, 2, 11, 22, 29, 58, 121, 242, 319, 638, 3049, 3509, 6098, 7018, 33539, 67078, 88421, 176842, 368929, 737858, 972631, 1945262, 10698941, 21397882]

約数ペア:

[(1, 21397882), (2, 10698941), (11, 1945262), (22, 972631), (29, 737858), (58, 368929), (121, 176842), (242, 88421), (319, 67078), (638, 33539), (3049, 7018), (3509, 6098)]