21103890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{703463}}^1$

素因数の和:703473

約数の個数: 16

約数和(自身を含む): 50649408

約数和(自身を除く): 29545518

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 703463, 1406926, 2110389, 3517315, 4220778, 7034630, 10551945, 21103890]

約数ペア:

[(1, 21103890), (2, 10551945), (3, 7034630), (5, 4220778), (6, 3517315), (10, 2110389), (15, 1406926), (30, 703463)]