21783196

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{443}}^1\times {\mathrm{647}}^1$

素因数の和:1113

約数の個数: 24

約数和(自身を含む): 40279680

約数和(自身を除く): 18496484

約数列:

[1, 2, 4, 19, 38, 76, 443, 647, 886, 1294, 1772, 2588, 8417, 12293, 16834, 24586, 33668, 49172, 286621, 573242, 1146484, 5445799, 10891598, 21783196]

約数ペア:

[(1, 21783196), (2, 10891598), (4, 5445799), (19, 1146484), (38, 573242), (76, 286621), (443, 49172), (647, 33668), (886, 24586), (1294, 16834), (1772, 12293), (2588, 8417)]