21790212

素因数分解:

$2^2\times 3^1\times {\mathrm{347}}^1\times {\mathrm{5233}}^1$

素因数の和:5587

約数の個数: 24

約数和(自身を含む): 51000096

約数和(自身を除く): 29209884

約数列:

[1, 2, 3, 4, 6, 12, 347, 694, 1041, 1388, 2082, 4164, 5233, 10466, 15699, 20932, 31398, 62796, 1815851, 3631702, 5447553, 7263404, 10895106, 21790212]

約数ペア:

[(1, 21790212), (2, 10895106), (3, 7263404), (4, 5447553), (6, 3631702), (12, 1815851), (347, 62796), (694, 31398), (1041, 20932), (1388, 15699), (2082, 10466), (4164, 5233)]