21336190

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{125507}}^1$

素因数の和:125531

約数の個数: 16

約数和(自身を含む): 40664592

約数和(自身を除く): 19328402

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 125507, 251014, 627535, 1255070, 2133619, 4267238, 10668095, 21336190]

約数ペア:

[(1, 21336190), (2, 10668095), (5, 4267238), (10, 2133619), (17, 1255070), (34, 627535), (85, 251014), (170, 125507)]