21908100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{709}}^1$

素因数の和:829

約数の個数: 72

約数和(自身を含む): 64093120

約数和(自身を除く): 42185020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 150, 206, 300, 309, 412, 515, 618, 709, 1030, 1236, 1418, 1545, 2060, 2127, 2575, 2836, 3090, 3545, 4254, 5150, 6180, 7090, 7725, 8508, 10300, 10635, 14180, 15450, 17725, 21270, 30900, 35450, 42540, 53175, 70900, 73027, 106350, 146054, 212700, 219081, 292108, 365135, 438162, 730270, 876324, 1095405, 1460540, 1825675, 2190810, 3651350, 4381620, 5477025, 7302700, 10954050, 21908100]

約数ペア:

[(1, 21908100), (2, 10954050), (3, 7302700), (4, 5477025), (5, 4381620), (6, 3651350), (10, 2190810), (12, 1825675), (15, 1460540), (20, 1095405), (25, 876324), (30, 730270), (50, 438162), (60, 365135), (75, 292108), (100, 219081), (103, 212700), (150, 146054), (206, 106350), (300, 73027), (309, 70900), (412, 53175), (515, 42540), (618, 35450), (709, 30900), (1030, 21270), (1236, 17725), (1418, 15450), (1545, 14180), (2060, 10635), (2127, 10300), (2575, 8508), (2836, 7725), (3090, 7090), (3545, 6180), (4254, 5150)]