21979832

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1193}}^1$

素因数の和:1260

約数の個数: 48

約数和(自身を含む): 49001760

約数和(自身を除く): 27021928

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1193, 1316, 2303, 2386, 2632, 4606, 4772, 8351, 9212, 9544, 16702, 18424, 33404, 56071, 58457, 66808, 112142, 116914, 224284, 233828, 392497, 448568, 467656, 784994, 1569988, 2747479, 3139976, 5494958, 10989916, 21979832]

約数ペア:

[(1, 21979832), (2, 10989916), (4, 5494958), (7, 3139976), (8, 2747479), (14, 1569988), (28, 784994), (47, 467656), (49, 448568), (56, 392497), (94, 233828), (98, 224284), (188, 116914), (196, 112142), (329, 66808), (376, 58457), (392, 56071), (658, 33404), (1193, 18424), (1316, 16702), (2303, 9544), (2386, 9212), (2632, 8351), (4606, 4772)]