21442128

素因数分解:

$2^4\times 3^1\times {\mathrm{103}}^1\times {\mathrm{4337}}^1$

素因数の和:4451

約数の個数: 40

約数和(自身を含む): 55942848

約数和(自身を除く): 34500720

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 103, 206, 309, 412, 618, 824, 1236, 1648, 2472, 4337, 4944, 8674, 13011, 17348, 26022, 34696, 52044, 69392, 104088, 208176, 446711, 893422, 1340133, 1786844, 2680266, 3573688, 5360532, 7147376, 10721064, 21442128]

約数ペア:

[(1, 21442128), (2, 10721064), (3, 7147376), (4, 5360532), (6, 3573688), (8, 2680266), (12, 1786844), (16, 1340133), (24, 893422), (48, 446711), (103, 208176), (206, 104088), (309, 69392), (412, 52044), (618, 34696), (824, 26022), (1236, 17348), (1648, 13011), (2472, 8674), (4337, 4944)]