21195256

素因数分解:

$2^3\times {\mathrm{401}}^1\times {\mathrm{6607}}^1$

素因数の和:7014

約数の個数: 16

約数和(自身を含む): 39846240

約数和(自身を除く): 18650984

約数列:

[1, 2, 4, 8, 401, 802, 1604, 3208, 6607, 13214, 26428, 52856, 2649407, 5298814, 10597628, 21195256]

約数ペア:

[(1, 21195256), (2, 10597628), (4, 5298814), (8, 2649407), (401, 52856), (802, 26428), (1604, 13214), (3208, 6607)]