21122604

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{30881}}^1$

素因数の和:30910

約数の個数: 36

約数和(自身を含む): 56205240

約数和(自身を除く): 35082636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 30881, 61762, 92643, 123524, 185286, 277929, 370572, 555858, 586739, 1111716, 1173478, 1760217, 2346956, 3520434, 5280651, 7040868, 10561302, 21122604]

約数ペア:

[(1, 21122604), (2, 10561302), (3, 7040868), (4, 5280651), (6, 3520434), (9, 2346956), (12, 1760217), (18, 1173478), (19, 1111716), (36, 586739), (38, 555858), (57, 370572), (76, 277929), (114, 185286), (171, 123524), (228, 92643), (342, 61762), (684, 30881)]