21264848

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{120823}}^1$

素因数の和:120842

約数の個数: 20

約数和(自身を含む): 44946528

約数和(自身を除く): 23681680

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 120823, 241646, 483292, 966584, 1329053, 1933168, 2658106, 5316212, 10632424, 21264848]

約数ペア:

[(1, 21264848), (2, 10632424), (4, 5316212), (8, 2658106), (11, 1933168), (16, 1329053), (22, 966584), (44, 483292), (88, 241646), (176, 120823)]