21673113

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5519}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 38154240

約数和(自身を除く): 16481127

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 5519, 16557, 38633, 60709, 93823, 115899, 182127, 281469, 424963, 656761, 1032053, 1274889, 1970283, 3096159, 7224371, 21673113]

約数ペア:

[(1, 21673113), (3, 7224371), (7, 3096159), (11, 1970283), (17, 1274889), (21, 1032053), (33, 656761), (51, 424963), (77, 281469), (119, 182127), (187, 115899), (231, 93823), (357, 60709), (561, 38633), (1309, 16557), (3927, 5519)]