21899493

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31601}}^1$

素因数の和:31625

約数の個数: 24

約数和(自身を含む): 39439296

約数和(自身を除く): 17539803

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 31601, 94803, 221207, 284409, 347611, 663621, 1042833, 1990863, 2433277, 3128499, 7299831, 21899493]

約数ペア:

[(1, 21899493), (3, 7299831), (7, 3128499), (9, 2433277), (11, 1990863), (21, 1042833), (33, 663621), (63, 347611), (77, 284409), (99, 221207), (231, 94803), (693, 31601)]