21336896

素因数分解:

$2^6\times 7^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:607

約数の個数: 56

約数和(自身を含む): 48987456

約数和(自身を除く): 27650560

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 194, 224, 388, 448, 491, 679, 776, 982, 1358, 1552, 1964, 2716, 3104, 3437, 3928, 5432, 6208, 6874, 7856, 10864, 13748, 15712, 21728, 27496, 31424, 43456, 47627, 54992, 95254, 109984, 190508, 219968, 333389, 381016, 666778, 762032, 1333556, 1524064, 2667112, 3048128, 5334224, 10668448, 21336896]

約数ペア:

[(1, 21336896), (2, 10668448), (4, 5334224), (7, 3048128), (8, 2667112), (14, 1524064), (16, 1333556), (28, 762032), (32, 666778), (56, 381016), (64, 333389), (97, 219968), (112, 190508), (194, 109984), (224, 95254), (388, 54992), (448, 47627), (491, 43456), (679, 31424), (776, 27496), (982, 21728), (1358, 15712), (1552, 13748), (1964, 10864), (2716, 7856), (3104, 6874), (3437, 6208), (3928, 5432)]