21929336

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{661}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 50047200

約数和(自身を除く): 28117864

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 29, 44, 52, 58, 88, 104, 116, 143, 232, 286, 319, 377, 572, 638, 661, 754, 1144, 1276, 1322, 1508, 2552, 2644, 3016, 4147, 5288, 7271, 8294, 8593, 14542, 16588, 17186, 19169, 29084, 33176, 34372, 38338, 58168, 68744, 76676, 94523, 153352, 189046, 210859, 249197, 378092, 421718, 498394, 756184, 843436, 996788, 1686872, 1993576, 2741167, 5482334, 10964668, 21929336]

約数ペア:

[(1, 21929336), (2, 10964668), (4, 5482334), (8, 2741167), (11, 1993576), (13, 1686872), (22, 996788), (26, 843436), (29, 756184), (44, 498394), (52, 421718), (58, 378092), (88, 249197), (104, 210859), (116, 189046), (143, 153352), (232, 94523), (286, 76676), (319, 68744), (377, 58168), (572, 38338), (638, 34372), (661, 33176), (754, 29084), (1144, 19169), (1276, 17186), (1322, 16588), (1508, 14542), (2552, 8593), (2644, 8294), (3016, 7271), (4147, 5288)]