21036708

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7589}}^1$

素因数の和:7617

約数の個数: 72

約数和(自身を含む): 66306240

約数和(自身を除く): 45269532

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 7589, 15178, 22767, 30356, 45534, 53123, 68301, 83479, 91068, 106246, 136602, 159369, 166958, 212492, 250437, 273204, 318738, 333916, 478107, 500874, 584353, 637476, 751311, 956214, 1001748, 1168706, 1502622, 1753059, 1912428, 2337412, 3005244, 3506118, 5259177, 7012236, 10518354, 21036708]

約数ペア:

[(1, 21036708), (2, 10518354), (3, 7012236), (4, 5259177), (6, 3506118), (7, 3005244), (9, 2337412), (11, 1912428), (12, 1753059), (14, 1502622), (18, 1168706), (21, 1001748), (22, 956214), (28, 751311), (33, 637476), (36, 584353), (42, 500874), (44, 478107), (63, 333916), (66, 318738), (77, 273204), (84, 250437), (99, 212492), (126, 166958), (132, 159369), (154, 136602), (198, 106246), (231, 91068), (252, 83479), (308, 68301), (396, 53123), (462, 45534), (693, 30356), (924, 22767), (1386, 15178), (2772, 7589)]