21893228

素因数分解:

$2^2\times 7^1\times {\mathrm{601}}^1\times {\mathrm{1301}}^1$

素因数の和:1913

約数の個数: 24

約数和(自身を含む): 43893024

約数和(自身を除く): 21999796

約数列:

[1, 2, 4, 7, 14, 28, 601, 1202, 1301, 2404, 2602, 4207, 5204, 8414, 9107, 16828, 18214, 36428, 781901, 1563802, 3127604, 5473307, 10946614, 21893228]

約数ペア:

[(1, 21893228), (2, 10946614), (4, 5473307), (7, 3127604), (14, 1563802), (28, 781901), (601, 36428), (1202, 18214), (1301, 16828), (2404, 9107), (2602, 8414), (4207, 5204)]