21553722

素因数分解:

$2^1\times 3^3\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{443}}^1$

素因数の和:524

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 30234438

約数列:

[1, 2, 3, 6, 9, 17, 18, 27, 34, 51, 53, 54, 102, 106, 153, 159, 306, 318, 443, 459, 477, 886, 901, 918, 954, 1329, 1431, 1802, 2658, 2703, 2862, 3987, 5406, 7531, 7974, 8109, 11961, 15062, 16218, 22593, 23479, 23922, 24327, 45186, 46958, 48654, 67779, 70437, 135558, 140874, 203337, 211311, 399143, 406674, 422622, 633933, 798286, 1197429, 1267866, 2394858, 3592287, 7184574, 10776861, 21553722]

約数ペア:

[(1, 21553722), (2, 10776861), (3, 7184574), (6, 3592287), (9, 2394858), (17, 1267866), (18, 1197429), (27, 798286), (34, 633933), (51, 422622), (53, 406674), (54, 399143), (102, 211311), (106, 203337), (153, 140874), (159, 135558), (306, 70437), (318, 67779), (443, 48654), (459, 46958), (477, 45186), (886, 24327), (901, 23922), (918, 23479), (954, 22593), (1329, 16218), (1431, 15062), (1802, 11961), (2658, 8109), (2703, 7974), (2862, 7531), (3987, 5406)]