21053826

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:851

約数の個数: 48

約数和(自身を含む): 48143160

約数和(自身を除く): 27089334

約数列:

[1, 2, 3, 6, 9, 18, 29, 53, 58, 87, 106, 159, 174, 261, 318, 477, 522, 761, 954, 1522, 1537, 2283, 3074, 4566, 4611, 6849, 9222, 13698, 13833, 22069, 27666, 40333, 44138, 66207, 80666, 120999, 132414, 198621, 241998, 362997, 397242, 725994, 1169657, 2339314, 3508971, 7017942, 10526913, 21053826]

約数ペア:

[(1, 21053826), (2, 10526913), (3, 7017942), (6, 3508971), (9, 2339314), (18, 1169657), (29, 725994), (53, 397242), (58, 362997), (87, 241998), (106, 198621), (159, 132414), (174, 120999), (261, 80666), (318, 66207), (477, 44138), (522, 40333), (761, 27666), (954, 22069), (1522, 13833), (1537, 13698), (2283, 9222), (3074, 6849), (4566, 4611)]