21957992

素因数分解:

$2^3\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1627}}^1$

素因数の和:1881

約数の個数: 32

約数和(自身を含む): 47277120

約数和(自身を除く): 25319128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 241, 482, 964, 1627, 1687, 1928, 3254, 3374, 6508, 6748, 11389, 13016, 13496, 22778, 45556, 91112, 392107, 784214, 1568428, 2744749, 3136856, 5489498, 10978996, 21957992]

約数ペア:

[(1, 21957992), (2, 10978996), (4, 5489498), (7, 3136856), (8, 2744749), (14, 1568428), (28, 784214), (56, 392107), (241, 91112), (482, 45556), (964, 22778), (1627, 13496), (1687, 13016), (1928, 11389), (3254, 6748), (3374, 6508)]