21785182552

素因数分解:

$2^3\times 7^1\times {\mathrm{1301}}^1\times {\mathrm{299017}}^1$

素因数の和:300331

約数の個数: 32

約数和(自身を含む): 46718572320

約数和(自身を除く): 24933389768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1301, 2602, 5204, 9107, 10408, 18214, 36428, 72856, 299017, 598034, 1196068, 2093119, 2392136, 4186238, 8372476, 16744952, 389021117, 778042234, 1556084468, 2723147819, 3112168936, 5446295638, 10892591276, 21785182552]

約数ペア:

[(1, 21785182552), (2, 10892591276), (4, 5446295638), (7, 3112168936), (8, 2723147819), (14, 1556084468), (28, 778042234), (56, 389021117), (1301, 16744952), (2602, 8372476), (5204, 4186238), (9107, 2392136), (10408, 2093119), (18214, 1196068), (36428, 598034), (72856, 299017)]