21059324

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3347}}^1$

素因数の和:3386

約数の個数: 36

約数和(自身を含む): 43637832

約数和(自身を除く): 22578508

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 484, 572, 1573, 3146, 3347, 6292, 6694, 13388, 36817, 43511, 73634, 87022, 147268, 174044, 404987, 478621, 809974, 957242, 1619948, 1914484, 5264831, 10529662, 21059324]

約数ペア:

[(1, 21059324), (2, 10529662), (4, 5264831), (11, 1914484), (13, 1619948), (22, 957242), (26, 809974), (44, 478621), (52, 404987), (121, 174044), (143, 147268), (242, 87022), (286, 73634), (484, 43511), (572, 36817), (1573, 13388), (3146, 6694), (3347, 6292)]