21677607

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1543}}^1$

素因数の和:1779

約数の個数: 24

約数和(自身を含む): 35969024

約数和(自身を除く): 14291417

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1543, 1561, 2007, 4629, 4683, 10801, 13887, 14049, 32403, 97209, 344089, 1032267, 2408623, 3096801, 7225869, 21677607]

約数ペア:

[(1, 21677607), (3, 7225869), (7, 3096801), (9, 2408623), (21, 1032267), (63, 344089), (223, 97209), (669, 32403), (1543, 14049), (1561, 13887), (2007, 10801), (4629, 4683)]