21846891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{241}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 33175296

約数和(自身を除く): 11328405

約数列:

[1, 3, 11, 33, 41, 67, 123, 201, 241, 451, 723, 737, 1353, 2211, 2651, 2747, 7953, 8241, 9881, 16147, 29643, 30217, 48441, 90651, 108691, 177617, 326073, 532851, 662027, 1986081, 7282297, 21846891]

約数ペア:

[(1, 21846891), (3, 7282297), (11, 1986081), (33, 662027), (41, 532851), (67, 326073), (123, 177617), (201, 108691), (241, 90651), (451, 48441), (723, 30217), (737, 29643), (1353, 16147), (2211, 9881), (2651, 8241), (2747, 7953)]