21227500

素因数分解:

$2^2\times 5^4\times 7^1\times {\mathrm{1213}}^1$

素因数の和:1244

約数の個数: 60

約数和(自身を含む): 53095504

約数和(自身を除く): 31868004

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 125, 140, 175, 250, 350, 500, 625, 700, 875, 1213, 1250, 1750, 2426, 2500, 3500, 4375, 4852, 6065, 8491, 8750, 12130, 16982, 17500, 24260, 30325, 33964, 42455, 60650, 84910, 121300, 151625, 169820, 212275, 303250, 424550, 606500, 758125, 849100, 1061375, 1516250, 2122750, 3032500, 4245500, 5306875, 10613750, 21227500]

約数ペア:

[(1, 21227500), (2, 10613750), (4, 5306875), (5, 4245500), (7, 3032500), (10, 2122750), (14, 1516250), (20, 1061375), (25, 849100), (28, 758125), (35, 606500), (50, 424550), (70, 303250), (100, 212275), (125, 169820), (140, 151625), (175, 121300), (250, 84910), (350, 60650), (500, 42455), (625, 33964), (700, 30325), (875, 24260), (1213, 17500), (1250, 16982), (1750, 12130), (2426, 8750), (2500, 8491), (3500, 6065), (4375, 4852)]