21384770

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{3187}}^1$

素因数の和:3266

約数の個数: 32

約数和(自身を含む): 42693696

約数和(自身を除く): 21308926

約数列:

[1, 2, 5, 10, 11, 22, 55, 61, 110, 122, 305, 610, 671, 1342, 3187, 3355, 6374, 6710, 15935, 31870, 35057, 70114, 175285, 194407, 350570, 388814, 972035, 1944070, 2138477, 4276954, 10692385, 21384770]

約数ペア:

[(1, 21384770), (2, 10692385), (5, 4276954), (10, 2138477), (11, 1944070), (22, 972035), (55, 388814), (61, 350570), (110, 194407), (122, 175285), (305, 70114), (610, 35057), (671, 31870), (1342, 15935), (3187, 6710), (3355, 6374)]