21719784

素因数分解:

$2^3\times 3^1\times {\mathrm{701}}^1\times {\mathrm{1291}}^1$

素因数の和:2001

約数の個数: 32

約数和(自身を含む): 54419040

約数和(自身を除く): 32699256

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 701, 1291, 1402, 2103, 2582, 2804, 3873, 4206, 5164, 5608, 7746, 8412, 10328, 15492, 16824, 30984, 904991, 1809982, 2714973, 3619964, 5429946, 7239928, 10859892, 21719784]

約数ペア:

[(1, 21719784), (2, 10859892), (3, 7239928), (4, 5429946), (6, 3619964), (8, 2714973), (12, 1809982), (24, 904991), (701, 30984), (1291, 16824), (1402, 15492), (2103, 10328), (2582, 8412), (2804, 7746), (3873, 5608), (4206, 5164)]