21131559930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54183487}}^1$

素因数の和:54183510

約数の個数: 32

約数和(自身を含む): 54616955904

約数和(自身を除く): 33485395974

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54183487, 108366974, 162550461, 270917435, 325100922, 541834870, 704385331, 812752305, 1408770662, 1625504610, 2113155993, 3521926655, 4226311986, 7043853310, 10565779965, 21131559930]

約数ペア:

[(1, 21131559930), (2, 10565779965), (3, 7043853310), (5, 4226311986), (6, 3521926655), (10, 2113155993), (13, 1625504610), (15, 1408770662), (26, 812752305), (30, 704385331), (39, 541834870), (65, 325100922), (78, 270917435), (130, 162550461), (195, 108366974), (390, 54183487)]