21596586

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{347}}^1$

素因数の和:427

約数の個数: 64

約数和(自身を含む): 50512896

約数和(自身を除く): 28916310

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 41, 46, 66, 69, 82, 123, 138, 246, 253, 347, 451, 506, 694, 759, 902, 943, 1041, 1353, 1518, 1886, 2082, 2706, 2829, 3817, 5658, 7634, 7981, 10373, 11451, 14227, 15962, 20746, 22902, 23943, 28454, 31119, 42681, 47886, 62238, 85362, 87791, 156497, 175582, 263373, 312994, 327221, 469491, 526746, 654442, 938982, 981663, 1963326, 3599431, 7198862, 10798293, 21596586]

約数ペア:

[(1, 21596586), (2, 10798293), (3, 7198862), (6, 3599431), (11, 1963326), (22, 981663), (23, 938982), (33, 654442), (41, 526746), (46, 469491), (66, 327221), (69, 312994), (82, 263373), (123, 175582), (138, 156497), (246, 87791), (253, 85362), (347, 62238), (451, 47886), (506, 42681), (694, 31119), (759, 28454), (902, 23943), (943, 22902), (1041, 20746), (1353, 15962), (1518, 14227), (1886, 11451), (2082, 10373), (2706, 7981), (2829, 7634), (3817, 5658)]