21609136

素因数分解:

$2^4\times {\mathrm{463}}^1\times {\mathrm{2917}}^1$

素因数の和:3388

約数の個数: 20

約数和(自身を含む): 41972512

約数和(自身を除く): 20363376

約数列:

[1, 2, 4, 8, 16, 463, 926, 1852, 2917, 3704, 5834, 7408, 11668, 23336, 46672, 1350571, 2701142, 5402284, 10804568, 21609136]

約数ペア:

[(1, 21609136), (2, 10804568), (4, 5402284), (8, 2701142), (16, 1350571), (463, 46672), (926, 23336), (1852, 11668), (2917, 7408), (3704, 5834)]