21412701

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:131

約数の個数: 48

約数和(自身を含む): 35118720

約数和(自身を除く): 13706019

約数列:

[1, 3, 9, 23, 27, 29, 41, 69, 87, 123, 207, 261, 369, 621, 667, 783, 841, 943, 1107, 1189, 2001, 2523, 2829, 3567, 6003, 7569, 8487, 10701, 18009, 19343, 22707, 25461, 27347, 32103, 34481, 58029, 82041, 103443, 174087, 246123, 310329, 522261, 738369, 793063, 930987, 2379189, 7137567, 21412701]

約数ペア:

[(1, 21412701), (3, 7137567), (9, 2379189), (23, 930987), (27, 793063), (29, 738369), (41, 522261), (69, 310329), (87, 246123), (123, 174087), (207, 103443), (261, 82041), (369, 58029), (621, 34481), (667, 32103), (783, 27347), (841, 25461), (943, 22707), (1107, 19343), (1189, 18009), (2001, 10701), (2523, 8487), (2829, 7569), (3567, 6003)]