21541170027

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1\times {\mathrm{3329}}^1$

素因数の和:5427

約数の個数: 32

約数和(自身を含む): 31328640000

約数和(自身を除く): 9787469973

約数列:

[1, 3, 13, 39, 83, 249, 1079, 1999, 3237, 3329, 5997, 9987, 25987, 43277, 77961, 129831, 165917, 276307, 497751, 828921, 2156921, 3591991, 6470763, 6654671, 10775973, 19964013, 86510723, 259532169, 552337693, 1657013079, 7180390009, 21541170027]

約数ペア:

[(1, 21541170027), (3, 7180390009), (13, 1657013079), (39, 552337693), (83, 259532169), (249, 86510723), (1079, 19964013), (1999, 10775973), (3237, 6654671), (3329, 6470763), (5997, 3591991), (9987, 2156921), (25987, 828921), (43277, 497751), (77961, 276307), (129831, 165917)]