21358997

素因数分解:

${\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{397}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 24032832

約数和(自身を除く): 2673835

約数列:

[1, 11, 67, 73, 397, 737, 803, 4367, 4891, 26599, 28981, 53801, 292589, 318791, 1941727, 21358997]

約数ペア:

[(1, 21358997), (11, 1941727), (67, 318791), (73, 292589), (397, 53801), (737, 28981), (803, 26599), (4367, 4891)]