21077362

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1\times {\mathrm{641}}^1$

素因数の和:1085

約数の個数: 16

約数和(自身を含む): 32518584

約数和(自身を除く): 11441222

約数列:

[1, 2, 41, 82, 401, 641, 802, 1282, 16441, 26281, 32882, 52562, 257041, 514082, 10538681, 21077362]

約数ペア:

[(1, 21077362), (2, 10538681), (41, 514082), (82, 257041), (401, 52562), (641, 32882), (802, 26281), (1282, 16441)]