21085338

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^2\times {\mathrm{151}}^1$

素因数の和:247

約数の個数: 48

約数和(自身を含む): 46194624

約数和(自身を除く): 25109286

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 74, 102, 111, 151, 222, 302, 453, 629, 906, 1258, 1369, 1887, 2567, 2738, 3774, 4107, 5134, 5587, 7701, 8214, 11174, 15402, 16761, 23273, 33522, 46546, 69819, 94979, 139638, 189958, 206719, 284937, 413438, 569874, 620157, 1240314, 3514223, 7028446, 10542669, 21085338]

約数ペア:

[(1, 21085338), (2, 10542669), (3, 7028446), (6, 3514223), (17, 1240314), (34, 620157), (37, 569874), (51, 413438), (74, 284937), (102, 206719), (111, 189958), (151, 139638), (222, 94979), (302, 69819), (453, 46546), (629, 33522), (906, 23273), (1258, 16761), (1369, 15402), (1887, 11174), (2567, 8214), (2738, 7701), (3774, 5587), (4107, 5134)]