21895786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{727}}^1$

素因数の和:814

約数の個数: 24

約数和(自身を含む): 36874656

約数和(自身を除く): 14978870

約数列:

[1, 2, 11, 22, 37, 74, 407, 727, 814, 1369, 1454, 2738, 7997, 15059, 15994, 26899, 30118, 53798, 295889, 591778, 995263, 1990526, 10947893, 21895786]

約数ペア:

[(1, 21895786), (2, 10947893), (11, 1990526), (22, 995263), (37, 591778), (74, 295889), (407, 53798), (727, 30118), (814, 26899), (1369, 15994), (1454, 15059), (2738, 7997)]