21929486

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{397}}^1$

素因数の和:859

約数の個数: 16

約数和(自身を含む): 33527520

約数和(自身を除く): 11598034

約数列:

[1, 2, 71, 142, 389, 397, 778, 794, 27619, 28187, 55238, 56374, 154433, 308866, 10964743, 21929486]

約数ペア:

[(1, 21929486), (2, 10964743), (71, 308866), (142, 154433), (389, 56374), (397, 55238), (778, 28187), (794, 27619)]