21587382

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:170

約数の個数: 96

約数和(自身を含む): 53913600

約数和(自身を除く): 32326218

約数列:

[1, 2, 3, 6, 9, 17, 18, 19, 34, 38, 47, 51, 57, 79, 94, 102, 114, 141, 153, 158, 171, 237, 282, 306, 323, 342, 423, 474, 646, 711, 799, 846, 893, 969, 1343, 1422, 1501, 1598, 1786, 1938, 2397, 2679, 2686, 2907, 3002, 3713, 4029, 4503, 4794, 5358, 5814, 7191, 7426, 8037, 8058, 9006, 11139, 12087, 13509, 14382, 15181, 16074, 22278, 24174, 25517, 27018, 30362, 33417, 45543, 51034, 63121, 66834, 70547, 76551, 91086, 126242, 136629, 141094, 153102, 189363, 211641, 229653, 273258, 378726, 423282, 459306, 568089, 634923, 1136178, 1199299, 1269846, 2398598, 3597897, 7195794, 10793691, 21587382]

約数ペア:

[(1, 21587382), (2, 10793691), (3, 7195794), (6, 3597897), (9, 2398598), (17, 1269846), (18, 1199299), (19, 1136178), (34, 634923), (38, 568089), (47, 459306), (51, 423282), (57, 378726), (79, 273258), (94, 229653), (102, 211641), (114, 189363), (141, 153102), (153, 141094), (158, 136629), (171, 126242), (237, 91086), (282, 76551), (306, 70547), (323, 66834), (342, 63121), (423, 51034), (474, 45543), (646, 33417), (711, 30362), (799, 27018), (846, 25517), (893, 24174), (969, 22278), (1343, 16074), (1422, 15181), (1501, 14382), (1598, 13509), (1786, 12087), (1938, 11139), (2397, 9006), (2679, 8058), (2686, 8037), (2907, 7426), (3002, 7191), (3713, 5814), (4029, 5358), (4503, 4794)]