21985937

素因数分解:

${\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 23328000

約数和(自身を除く): 1342063

約数列:

[1, 53, 59, 79, 89, 3127, 4187, 4661, 4717, 5251, 7031, 247033, 278303, 372643, 414829, 21985937]

約数ペア:

[(1, 21985937), (53, 414829), (59, 372643), (79, 278303), (89, 247033), (3127, 7031), (4187, 5251), (4661, 4717)]