21745090

素因数分解:

$2^1\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{1741}}^1$

素因数の和:2997

約数の個数: 16

約数和(自身を含む): 39195000

約数和(自身を除く): 17449910

約数列:

[1, 2, 5, 10, 1249, 1741, 2498, 3482, 6245, 8705, 12490, 17410, 2174509, 4349018, 10872545, 21745090]

約数ペア:

[(1, 21745090), (2, 10872545), (5, 4349018), (10, 2174509), (1249, 17410), (1741, 12490), (2498, 8705), (3482, 6245)]