21939291

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{1327}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 34804224

約数和(自身を除く): 12864933

約数列:

[1, 3, 9, 11, 33, 99, 167, 501, 1327, 1503, 1837, 3981, 5511, 11943, 14597, 16533, 43791, 131373, 221609, 664827, 1994481, 2437699, 7313097, 21939291]

約数ペア:

[(1, 21939291), (3, 7313097), (9, 2437699), (11, 1994481), (33, 664827), (99, 221609), (167, 131373), (501, 43791), (1327, 16533), (1503, 14597), (1837, 11943), (3981, 5511)]