21661524

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{11353}}^1$

素因数の和:11416

約数の個数: 36

約数和(自身を含む): 55793556

約数和(自身を除く): 34132032

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 11353, 22706, 34059, 45412, 68118, 102177, 136236, 204354, 408708, 601709, 1203418, 1805127, 2406836, 3610254, 5415381, 7220508, 10830762, 21661524]

約数ペア:

[(1, 21661524), (2, 10830762), (3, 7220508), (4, 5415381), (6, 3610254), (9, 2406836), (12, 1805127), (18, 1203418), (36, 601709), (53, 408708), (106, 204354), (159, 136236), (212, 102177), (318, 68118), (477, 45412), (636, 34059), (954, 22706), (1908, 11353)]