21468404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{1733}}^1$

素因数の和:1919

約数の個数: 24

約数和(自身を含む): 39812640

約数和(自身を除く): 18344236

約数列:

[1, 2, 4, 19, 38, 76, 163, 326, 652, 1733, 3097, 3466, 6194, 6932, 12388, 32927, 65854, 131708, 282479, 564958, 1129916, 5367101, 10734202, 21468404]

約数ペア:

[(1, 21468404), (2, 10734202), (4, 5367101), (19, 1129916), (38, 564958), (76, 282479), (163, 131708), (326, 65854), (652, 32927), (1733, 12388), (3097, 6932), (3466, 6194)]