21130116938

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3533}}^1\times {\mathrm{14731}}^1$

素因数の和:18302

約数の個数: 32

約数和(自身を含む): 37485279360

約数和(自身を除く): 16355162422

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 3533, 7066, 14731, 24731, 29462, 49462, 102457, 103117, 204914, 206234, 427199, 717199, 854398, 1434398, 2990393, 5980786, 52044623, 104089246, 364312361, 728624722, 1509294067, 3018588134, 10565058469, 21130116938]

約数ペア:

[(1, 21130116938), (2, 10565058469), (7, 3018588134), (14, 1509294067), (29, 728624722), (58, 364312361), (203, 104089246), (406, 52044623), (3533, 5980786), (7066, 2990393), (14731, 1434398), (24731, 854398), (29462, 717199), (49462, 427199), (102457, 206234), (103117, 204914)]