21186512

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{4679}}^1$

素因数の和:4970

約数の個数: 20

約数和(自身を含む): 41202720

約数和(自身を除く): 20016208

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2264, 4528, 4679, 9358, 18716, 37432, 74864, 1324157, 2648314, 5296628, 10593256, 21186512]

約数ペア:

[(1, 21186512), (2, 10593256), (4, 5296628), (8, 2648314), (16, 1324157), (283, 74864), (566, 37432), (1132, 18716), (2264, 9358), (4528, 4679)]