21738618

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^2\times {\mathrm{1109}}^1$

素因数の和:1145

約数の個数: 60

約数和(自身を含む): 53589690

約数和(自身を除く): 31851072

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 121, 162, 198, 242, 297, 363, 594, 726, 891, 1089, 1109, 1782, 2178, 2218, 3267, 3327, 6534, 6654, 9801, 9981, 12199, 19602, 19962, 24398, 29943, 36597, 59886, 73194, 89829, 109791, 134189, 179658, 219582, 268378, 329373, 402567, 658746, 805134, 988119, 1207701, 1976238, 2415402, 3623103, 7246206, 10869309, 21738618]

約数ペア:

[(1, 21738618), (2, 10869309), (3, 7246206), (6, 3623103), (9, 2415402), (11, 1976238), (18, 1207701), (22, 988119), (27, 805134), (33, 658746), (54, 402567), (66, 329373), (81, 268378), (99, 219582), (121, 179658), (162, 134189), (198, 109791), (242, 89829), (297, 73194), (363, 59886), (594, 36597), (726, 29943), (891, 24398), (1089, 19962), (1109, 19602), (1782, 12199), (2178, 9981), (2218, 9801), (3267, 6654), (3327, 6534)]