21671089

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{251}}^1$

素因数の和:476

約数の個数: 16

約数和(自身を含む): 24385536

約数和(自身を除く): 2714447

約数列:

[1, 11, 47, 167, 251, 517, 1837, 2761, 7849, 11797, 41917, 86339, 129767, 461087, 1970099, 21671089]

約数ペア:

[(1, 21671089), (11, 1970099), (47, 461087), (167, 129767), (251, 86339), (517, 41917), (1837, 11797), (2761, 7849)]