21059170

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191447}}^1$

素因数の和:191465

約数の個数: 16

約数和(自身を含む): 41352768

約数和(自身を除く): 20293598

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 191447, 382894, 957235, 1914470, 2105917, 4211834, 10529585, 21059170]

約数ペア:

[(1, 21059170), (2, 10529585), (5, 4211834), (10, 2105917), (11, 1914470), (22, 957235), (55, 382894), (110, 191447)]