21931352

素因数分解:

$2^3\times {\mathrm{257}}^1\times {\mathrm{10667}}^1$

素因数の和:10930

約数の個数: 16

約数和(自身を含む): 41285160

約数和(自身を除く): 19353808

約数列:

[1, 2, 4, 8, 257, 514, 1028, 2056, 10667, 21334, 42668, 85336, 2741419, 5482838, 10965676, 21931352]

約数ペア:

[(1, 21931352), (2, 10965676), (4, 5482838), (8, 2741419), (257, 85336), (514, 42668), (1028, 21334), (2056, 10667)]