21846308

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{45137}}^1$

素因数の和:45163

約数の個数: 18

約数和(自身を含む): 42023478

約数和(自身を除く): 20177170

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 45137, 90274, 180548, 496507, 993014, 1986028, 5461577, 10923154, 21846308]

約数ペア:

[(1, 21846308), (2, 10923154), (4, 5461577), (11, 1986028), (22, 993014), (44, 496507), (121, 180548), (242, 90274), (484, 45137)]