21222690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{2027}}^1$

素因数の和:2386

約数の個数: 32

約数和(自身を含む): 51105600

約数和(自身を除く): 29882910

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 349, 698, 1047, 1745, 2027, 2094, 3490, 4054, 5235, 6081, 10135, 10470, 12162, 20270, 30405, 60810, 707423, 1414846, 2122269, 3537115, 4244538, 7074230, 10611345, 21222690]

約数ペア:

[(1, 21222690), (2, 10611345), (3, 7074230), (5, 4244538), (6, 3537115), (10, 2122269), (15, 1414846), (30, 707423), (349, 60810), (698, 30405), (1047, 20270), (1745, 12162), (2027, 10470), (2094, 10135), (3490, 6081), (4054, 5235)]