21321846

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4339}}^1$

素因数の和:4370

約数の個数: 64

約数和(自身を含む): 58329600

約数和(自身を除く): 37007754

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 117, 126, 182, 189, 234, 273, 351, 378, 546, 702, 819, 1638, 2457, 4339, 4914, 8678, 13017, 26034, 30373, 39051, 56407, 60746, 78102, 91119, 112814, 117153, 169221, 182238, 234306, 273357, 338442, 394849, 507663, 546714, 789698, 820071, 1015326, 1184547, 1522989, 1640142, 2369094, 3045978, 3553641, 7107282, 10660923, 21321846]

約数ペア:

[(1, 21321846), (2, 10660923), (3, 7107282), (6, 3553641), (7, 3045978), (9, 2369094), (13, 1640142), (14, 1522989), (18, 1184547), (21, 1015326), (26, 820071), (27, 789698), (39, 546714), (42, 507663), (54, 394849), (63, 338442), (78, 273357), (91, 234306), (117, 182238), (126, 169221), (182, 117153), (189, 112814), (234, 91119), (273, 78102), (351, 60746), (378, 56407), (546, 39051), (702, 30373), (819, 26034), (1638, 13017), (2457, 8678), (4339, 4914)]