21094491

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{1669}}^1$

素因数の和:2066

約数の個数: 16

約数和(自身を含む): 30781440

約数和(自身を除く): 9686949

約数列:

[1, 3, 11, 33, 383, 1149, 1669, 4213, 5007, 12639, 18359, 55077, 639227, 1917681, 7031497, 21094491]

約数ペア:

[(1, 21094491), (3, 7031497), (11, 1917681), (33, 639227), (383, 55077), (1149, 18359), (1669, 12639), (4213, 5007)]