21807786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3631}}^1$

素因数の和:3667

約数の個数: 64

約数和(自身を含む): 58576896

約数和(自身を除く): 36769110

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 66, 77, 78, 91, 143, 154, 182, 231, 273, 286, 429, 462, 546, 858, 1001, 2002, 3003, 3631, 6006, 7262, 10893, 21786, 25417, 39941, 47203, 50834, 76251, 79882, 94406, 119823, 141609, 152502, 239646, 279587, 283218, 330421, 519233, 559174, 660842, 838761, 991263, 1038466, 1557699, 1677522, 1982526, 3115398, 3634631, 7269262, 10903893, 21807786]

約数ペア:

[(1, 21807786), (2, 10903893), (3, 7269262), (6, 3634631), (7, 3115398), (11, 1982526), (13, 1677522), (14, 1557699), (21, 1038466), (22, 991263), (26, 838761), (33, 660842), (39, 559174), (42, 519233), (66, 330421), (77, 283218), (78, 279587), (91, 239646), (143, 152502), (154, 141609), (182, 119823), (231, 94406), (273, 79882), (286, 76251), (429, 50834), (462, 47203), (546, 39941), (858, 25417), (1001, 21786), (2002, 10893), (3003, 7262), (3631, 6006)]