21474376

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 29536184

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 491, 497, 568, 616, 781, 982, 994, 1562, 1964, 1988, 3124, 3437, 3928, 3976, 5401, 5467, 6248, 6874, 10802, 10934, 13748, 21604, 21868, 27496, 34861, 37807, 43208, 43736, 69722, 75614, 139444, 151228, 244027, 278888, 302456, 383471, 488054, 766942, 976108, 1533884, 1952216, 2684297, 3067768, 5368594, 10737188, 21474376]

約数ペア:

[(1, 21474376), (2, 10737188), (4, 5368594), (7, 3067768), (8, 2684297), (11, 1952216), (14, 1533884), (22, 976108), (28, 766942), (44, 488054), (56, 383471), (71, 302456), (77, 278888), (88, 244027), (142, 151228), (154, 139444), (284, 75614), (308, 69722), (491, 43736), (497, 43208), (568, 37807), (616, 34861), (781, 27496), (982, 21868), (994, 21604), (1562, 13748), (1964, 10934), (1988, 10802), (3124, 6874), (3437, 6248), (3928, 5467), (3976, 5401)]