21936898

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:833

約数の個数: 16

約数和(自身を含む): 33475680

約数和(自身を除く): 11538782

約数列:

[1, 2, 89, 178, 251, 491, 502, 982, 22339, 43699, 44678, 87398, 123241, 246482, 10968449, 21936898]

約数ペア:

[(1, 21936898), (2, 10968449), (89, 246482), (178, 123241), (251, 87398), (491, 44678), (502, 43699), (982, 22339)]