21086456

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{56081}}^1$

素因数の和:56134

約数の個数: 16

約数和(自身を含む): 40379040

約数和(自身を除く): 19292584

約数列:

[1, 2, 4, 8, 47, 94, 188, 376, 56081, 112162, 224324, 448648, 2635807, 5271614, 10543228, 21086456]

約数ペア:

[(1, 21086456), (2, 10543228), (4, 5271614), (8, 2635807), (47, 448648), (94, 224324), (188, 112162), (376, 56081)]