21007646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{30803}}^1$

素因数の和:30847

約数の個数: 16

約数和(自身を含む): 35486208

約数和(自身を除く): 14478562

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 30803, 61606, 338833, 677666, 954893, 1909786, 10503823, 21007646]

約数ペア:

[(1, 21007646), (2, 10503823), (11, 1909786), (22, 954893), (31, 677666), (62, 338833), (341, 61606), (682, 30803)]