21754278490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{27031}}^1\times {\mathrm{11497}}^1$

素因数の和:38542

約数の個数: 32

約数和(自身を含む): 44757206784

約数和(自身を除く): 23002928294

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 11497, 22994, 27031, 54062, 57485, 80479, 114970, 135155, 160958, 189217, 270310, 378434, 402395, 804790, 946085, 1892170, 310775407, 621550814, 1553877035, 2175427849, 3107754070, 4350855698, 10877139245, 21754278490]

約数ペア:

[(1, 21754278490), (2, 10877139245), (5, 4350855698), (7, 3107754070), (10, 2175427849), (14, 1553877035), (35, 621550814), (70, 310775407), (11497, 1892170), (22994, 946085), (27031, 804790), (54062, 402395), (57485, 378434), (80479, 270310), (114970, 189217), (135155, 160958)]