21007967162

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{64811}}^1$

素因数の和:64983

約数の個数: 48

約数和(自身を含む): 39282293952

約数和(自身を除く): 18274326790

約数列:

[1, 2, 7, 13, 14, 26, 91, 137, 169, 182, 274, 338, 959, 1183, 1781, 1918, 2366, 3562, 12467, 23153, 24934, 46306, 64811, 129622, 162071, 324142, 453677, 842543, 907354, 1685086, 5897801, 8879107, 10953059, 11795602, 17758214, 21906118, 62153749, 76671413, 115428391, 124307498, 153342826, 230856782, 807998737, 1500569083, 1615997474, 3001138166, 10503983581, 21007967162]

約数ペア:

[(1, 21007967162), (2, 10503983581), (7, 3001138166), (13, 1615997474), (14, 1500569083), (26, 807998737), (91, 230856782), (137, 153342826), (169, 124307498), (182, 115428391), (274, 76671413), (338, 62153749), (959, 21906118), (1183, 17758214), (1781, 11795602), (1918, 10953059), (2366, 8879107), (3562, 5897801), (12467, 1685086), (23153, 907354), (24934, 842543), (46306, 453677), (64811, 324142), (129622, 162071)]