21106412

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{170213}}^1$

素因数の和:170248

約数の個数: 12

約数和(自身を含む): 38127936

約数和(自身を除く): 17021524

約数列:

[1, 2, 4, 31, 62, 124, 170213, 340426, 680852, 5276603, 10553206, 21106412]

約数ペア:

[(1, 21106412), (2, 10553206), (4, 5276603), (31, 680852), (62, 340426), (124, 170213)]