21699752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{5147}}^1$

素因数の和:5201

約数の個数: 32

約数和(自身を含む): 44478720

約数和(自身を除く): 22778968

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 5147, 10294, 20588, 41176, 87499, 159557, 174998, 319114, 349996, 638228, 699992, 1276456, 2712469, 5424938, 10849876, 21699752]

約数ペア:

[(1, 21699752), (2, 10849876), (4, 5424938), (8, 2712469), (17, 1276456), (31, 699992), (34, 638228), (62, 349996), (68, 319114), (124, 174998), (136, 159557), (248, 87499), (527, 41176), (1054, 20588), (2108, 10294), (4216, 5147)]