21974278

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{3011}}^1$

素因数の和:3143

約数の個数: 16

約数和(自身を含む): 34156080

約数和(自身を除く): 12181802

約数列:

[1, 2, 41, 82, 89, 178, 3011, 3649, 6022, 7298, 123451, 246902, 267979, 535958, 10987139, 21974278]

約数ペア:

[(1, 21974278), (2, 10987139), (41, 535958), (82, 267979), (89, 246902), (178, 123451), (3011, 7298), (3649, 6022)]