21139932

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8429}}^1$

素因数の和:8466

約数の個数: 48

約数和(自身を含む): 56649600

約数和(自身を除く): 35509668

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 8429, 16858, 25287, 33716, 50574, 92719, 101148, 160151, 185438, 278157, 320302, 370876, 480453, 556314, 640604, 960906, 1112628, 1761661, 1921812, 3523322, 5284983, 7046644, 10569966, 21139932]

約数ペア:

[(1, 21139932), (2, 10569966), (3, 7046644), (4, 5284983), (6, 3523322), (11, 1921812), (12, 1761661), (19, 1112628), (22, 960906), (33, 640604), (38, 556314), (44, 480453), (57, 370876), (66, 320302), (76, 278157), (114, 185438), (132, 160151), (209, 101148), (228, 92719), (418, 50574), (627, 33716), (836, 25287), (1254, 16858), (2508, 8429)]