21224470

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{51767}}^1$

素因数の和:51815

約数の個数: 16

約数和(自身を含む): 39136608

約数和(自身を除く): 17912138

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 51767, 103534, 258835, 517670, 2122447, 4244894, 10612235, 21224470]

約数ペア:

[(1, 21224470), (2, 10612235), (5, 4244894), (10, 2122447), (41, 517670), (82, 258835), (205, 103534), (410, 51767)]