21788637519

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1\times {\mathrm{479}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 32912179200

約数和(自身を除く): 11123541681

約数列:

[1, 3, 11, 33, 59, 61, 177, 183, 383, 479, 649, 671, 1149, 1437, 1947, 2013, 3599, 4213, 5269, 10797, 12639, 15807, 22597, 23363, 28261, 29219, 39589, 67791, 70089, 84783, 87657, 118767, 183457, 248567, 256993, 310871, 321409, 550371, 745701, 770979, 932613, 964227, 1378417, 1723921, 2018027, 4135251, 5171763, 6054081, 10823963, 11190877, 15162587, 18963131, 32471889, 33572631, 45487761, 56889393, 119063593, 123099647, 357190779, 369298941, 660261743, 1980785229, 7262879173, 21788637519]

約数ペア:

[(1, 21788637519), (3, 7262879173), (11, 1980785229), (33, 660261743), (59, 369298941), (61, 357190779), (177, 123099647), (183, 119063593), (383, 56889393), (479, 45487761), (649, 33572631), (671, 32471889), (1149, 18963131), (1437, 15162587), (1947, 11190877), (2013, 10823963), (3599, 6054081), (4213, 5171763), (5269, 4135251), (10797, 2018027), (12639, 1723921), (15807, 1378417), (22597, 964227), (23363, 932613), (28261, 770979), (29219, 745701), (39589, 550371), (67791, 321409), (70089, 310871), (84783, 256993), (87657, 248567), (118767, 183457)]