21045582

素因数分解:

$2^1\times 3^4\times {\mathrm{163}}^1\times {\mathrm{797}}^1$

素因数の和:974

約数の個数: 40

約数和(自身を含む): 47506536

約数和(自身を除く): 26460954

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 326, 489, 797, 978, 1467, 1594, 2391, 2934, 4401, 4782, 7173, 8802, 13203, 14346, 21519, 26406, 43038, 64557, 129114, 129911, 259822, 389733, 779466, 1169199, 2338398, 3507597, 7015194, 10522791, 21045582]

約数ペア:

[(1, 21045582), (2, 10522791), (3, 7015194), (6, 3507597), (9, 2338398), (18, 1169199), (27, 779466), (54, 389733), (81, 259822), (162, 129911), (163, 129114), (326, 64557), (489, 43038), (797, 26406), (978, 21519), (1467, 14346), (1594, 13203), (2391, 8802), (2934, 7173), (4401, 4782)]