21141538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{9907}}^1$

素因数の和:10017

約数の個数: 16

約数和(自身を含む): 34955424

約数和(自身を除く): 13813886

約数列:

[1, 2, 11, 22, 97, 194, 1067, 2134, 9907, 19814, 108977, 217954, 960979, 1921958, 10570769, 21141538]

約数ペア:

[(1, 21141538), (2, 10570769), (11, 1921958), (22, 960979), (97, 217954), (194, 108977), (1067, 19814), (2134, 9907)]