21181540194

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{1489}}^1\times {\mathrm{18379}}^1$

素因数の和:19919

約数の個数: 48

約数和(自身を含む): 46994719200

約数和(自身を除く): 25813179006

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 1489, 2978, 4467, 8934, 13401, 18379, 26802, 36758, 55137, 64027, 110274, 128054, 165411, 192081, 330822, 384162, 576243, 790297, 1152486, 1580594, 2370891, 4741782, 7112673, 14225346, 27366331, 54732662, 82098993, 164197986, 246296979, 492593958, 1176752233, 2353504466, 3530256699, 7060513398, 10590770097, 21181540194]

約数ペア:

[(1, 21181540194), (2, 10590770097), (3, 7060513398), (6, 3530256699), (9, 2353504466), (18, 1176752233), (43, 492593958), (86, 246296979), (129, 164197986), (258, 82098993), (387, 54732662), (774, 27366331), (1489, 14225346), (2978, 7112673), (4467, 4741782), (8934, 2370891), (13401, 1580594), (18379, 1152486), (26802, 790297), (36758, 576243), (55137, 384162), (64027, 330822), (110274, 192081), (128054, 165411)]