21570297909

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{1279}}^1\times {\mathrm{1453}}^1$

素因数の和:2861

約数の個数: 32

約数和(自身を含む): 29748142080

約数和(自身を除く): 8177844171

約数列:

[1, 3, 53, 73, 159, 219, 1279, 1453, 3837, 3869, 4359, 11607, 67787, 77009, 93367, 106069, 203361, 231027, 280101, 318207, 1858387, 4948451, 5575161, 5621657, 14845353, 16864971, 98494511, 135662251, 295483533, 406986753, 7190099303, 21570297909]

約数ペア:

[(1, 21570297909), (3, 7190099303), (53, 406986753), (73, 295483533), (159, 135662251), (219, 98494511), (1279, 16864971), (1453, 14845353), (3837, 5621657), (3869, 5575161), (4359, 4948451), (11607, 1858387), (67787, 318207), (77009, 280101), (93367, 231027), (106069, 203361)]