21935704

素因数分解:

$2^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3803}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 47473920

約数和(自身を除く): 25538216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 103, 206, 412, 721, 824, 1442, 2884, 3803, 5768, 7606, 15212, 26621, 30424, 53242, 106484, 212968, 391709, 783418, 1566836, 2741963, 3133672, 5483926, 10967852, 21935704]

約数ペア:

[(1, 21935704), (2, 10967852), (4, 5483926), (7, 3133672), (8, 2741963), (14, 1566836), (28, 783418), (56, 391709), (103, 212968), (206, 106484), (412, 53242), (721, 30424), (824, 26621), (1442, 15212), (2884, 7606), (3803, 5768)]