21856498

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{8101}}^1$

素因数の和:8193

約数の個数: 16

約数和(自身を含む): 35000640

約数和(自身を除く): 13144142

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 8101, 16202, 153919, 307838, 575171, 1150342, 10928249, 21856498]

約数ペア:

[(1, 21856498), (2, 10928249), (19, 1150342), (38, 575171), (71, 307838), (142, 153919), (1349, 16202), (2698, 8101)]