21684286484

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40759937}}^1$

素因数の和:40759967

約数の個数: 24

約数和(自身を含む): 45651130560

約数和(自身を除く): 23966844076

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40759937, 81519874, 163039748, 285319559, 570639118, 774438803, 1141278236, 1548877606, 3097755212, 5421071621, 10842143242, 21684286484]

約数ペア:

[(1, 21684286484), (2, 10842143242), (4, 5421071621), (7, 3097755212), (14, 1548877606), (19, 1141278236), (28, 774438803), (38, 570639118), (76, 285319559), (133, 163039748), (266, 81519874), (532, 40759937)]