21968172

素因数分解:

$2^2\times 3^5\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 58430736

約数和(自身を除く): 36462564

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 97, 108, 162, 194, 233, 243, 291, 324, 388, 466, 486, 582, 699, 873, 932, 972, 1164, 1398, 1746, 2097, 2619, 2796, 3492, 4194, 5238, 6291, 7857, 8388, 10476, 12582, 15714, 18873, 22601, 23571, 25164, 31428, 37746, 45202, 47142, 56619, 67803, 75492, 90404, 94284, 113238, 135606, 203409, 226476, 271212, 406818, 610227, 813636, 1220454, 1830681, 2440908, 3661362, 5492043, 7322724, 10984086, 21968172]

約数ペア:

[(1, 21968172), (2, 10984086), (3, 7322724), (4, 5492043), (6, 3661362), (9, 2440908), (12, 1830681), (18, 1220454), (27, 813636), (36, 610227), (54, 406818), (81, 271212), (97, 226476), (108, 203409), (162, 135606), (194, 113238), (233, 94284), (243, 90404), (291, 75492), (324, 67803), (388, 56619), (466, 47142), (486, 45202), (582, 37746), (699, 31428), (873, 25164), (932, 23571), (972, 22601), (1164, 18873), (1398, 15714), (1746, 12582), (2097, 10476), (2619, 8388), (2796, 7857), (3492, 6291), (4194, 5238)]