2021063919

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{7489}}^1$

素因数の和:7751

約数の個数: 32

約数和(自身を含む): 3140766720

約数和(自身を除く): 1119702801

約数列:

[1, 3, 7, 21, 71, 181, 213, 497, 543, 1267, 1491, 3801, 7489, 12851, 22467, 38553, 52423, 89957, 157269, 269871, 531719, 1355509, 1595157, 3722033, 4066527, 9488563, 11166099, 28465689, 96241139, 288723417, 673687973, 2021063919]

約数ペア:

[(1, 2021063919), (3, 673687973), (7, 288723417), (21, 96241139), (71, 28465689), (181, 11166099), (213, 9488563), (497, 4066527), (543, 3722033), (1267, 1595157), (1491, 1355509), (3801, 531719), (7489, 269871), (12851, 157269), (22467, 89957), (38553, 52423)]