21218103676

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{9841421}}^1$

素因数の和:9841450

約数の個数: 36

約数和(自身を含む): 47120728536

約数和(自身を除く): 25902624860

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 9841421, 19682842, 39365684, 68889947, 108255631, 137779894, 216511262, 275559788, 433022524, 482229629, 757789417, 964459258, 1515578834, 1928918516, 3031157668, 5304525919, 10609051838, 21218103676]

約数ペア:

[(1, 21218103676), (2, 10609051838), (4, 5304525919), (7, 3031157668), (11, 1928918516), (14, 1515578834), (22, 964459258), (28, 757789417), (44, 482229629), (49, 433022524), (77, 275559788), (98, 216511262), (154, 137779894), (196, 108255631), (308, 68889947), (539, 39365684), (1078, 19682842), (2156, 9841421)]