21350186

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3929}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 18264214

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 3929, 5434, 7858, 43219, 51077, 74651, 86438, 102154, 149302, 561847, 821161, 970463, 1123694, 1642322, 1940926, 10675093, 21350186]

約数ペア:

[(1, 21350186), (2, 10675093), (11, 1940926), (13, 1642322), (19, 1123694), (22, 970463), (26, 821161), (38, 561847), (143, 149302), (209, 102154), (247, 86438), (286, 74651), (418, 51077), (494, 43219), (2717, 7858), (3929, 5434)]