21642808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{245941}}^1$

素因数の和:245958

約数の個数: 16

約数和(自身を含む): 44269560

約数和(自身を除く): 22626752

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 245941, 491882, 983764, 1967528, 2705351, 5410702, 10821404, 21642808]

約数ペア:

[(1, 21642808), (2, 10821404), (4, 5410702), (8, 2705351), (11, 1967528), (22, 983764), (44, 491882), (88, 245941)]