21283912

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7057}}^1$

素因数の和:7105

約数の個数: 32

約数和(自身を含む): 44465400

約数和(自身を除く): 23181488

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 7057, 14114, 28228, 56456, 91741, 183482, 204653, 366964, 409306, 733928, 818612, 1637224, 2660489, 5320978, 10641956, 21283912]

約数ペア:

[(1, 21283912), (2, 10641956), (4, 5320978), (8, 2660489), (13, 1637224), (26, 818612), (29, 733928), (52, 409306), (58, 366964), (104, 204653), (116, 183482), (232, 91741), (377, 56456), (754, 28228), (1508, 14114), (3016, 7057)]