21084976

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{10891}}^1$

素因数の和:10921

約数の個数: 30

約数和(自身を含む): 44907716

約数和(自身を除く): 23822740

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 10891, 21782, 43564, 87128, 119801, 174256, 239602, 479204, 958408, 1317811, 1916816, 2635622, 5271244, 10542488, 21084976]

約数ペア:

[(1, 21084976), (2, 10542488), (4, 5271244), (8, 2635622), (11, 1916816), (16, 1317811), (22, 958408), (44, 479204), (88, 239602), (121, 174256), (176, 119801), (242, 87128), (484, 43564), (968, 21782), (1936, 10891)]