21075384

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{823}}^1$

素因数の和:940

約数の個数: 64

約数和(自身を含む): 58141440

約数和(自身を除く): 37066056

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 97, 132, 194, 264, 291, 388, 582, 776, 823, 1067, 1164, 1646, 2134, 2328, 2469, 3201, 3292, 4268, 4938, 6402, 6584, 8536, 9053, 9876, 12804, 18106, 19752, 25608, 27159, 36212, 54318, 72424, 79831, 108636, 159662, 217272, 239493, 319324, 478986, 638648, 878141, 957972, 1756282, 1915944, 2634423, 3512564, 5268846, 7025128, 10537692, 21075384]

約数ペア:

[(1, 21075384), (2, 10537692), (3, 7025128), (4, 5268846), (6, 3512564), (8, 2634423), (11, 1915944), (12, 1756282), (22, 957972), (24, 878141), (33, 638648), (44, 478986), (66, 319324), (88, 239493), (97, 217272), (132, 159662), (194, 108636), (264, 79831), (291, 72424), (388, 54318), (582, 36212), (776, 27159), (823, 25608), (1067, 19752), (1164, 18106), (1646, 12804), (2134, 9876), (2328, 9053), (2469, 8536), (3201, 6584), (3292, 6402), (4268, 4938)]