21224313

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12611}}^1$

素因数の和:12645

約数の個数: 24

約数和(自身を含む): 35414496

約数和(自身を除く): 14190183

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 561, 1683, 12611, 37833, 113499, 138721, 214387, 416163, 643161, 1248489, 1929483, 2358257, 7074771, 21224313]

約数ペア:

[(1, 21224313), (3, 7074771), (9, 2358257), (11, 1929483), (17, 1248489), (33, 643161), (51, 416163), (99, 214387), (153, 138721), (187, 113499), (561, 37833), (1683, 12611)]