21214890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2203}}^1$

素因数の和:2323

約数の個数: 48

約数和(自身を含む): 55699488

約数和(自身を除く): 34484598

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 107, 214, 321, 535, 642, 963, 1070, 1605, 1926, 2203, 3210, 4406, 4815, 6609, 9630, 11015, 13218, 19827, 22030, 33045, 39654, 66090, 99135, 198270, 235721, 471442, 707163, 1178605, 1414326, 2121489, 2357210, 3535815, 4242978, 7071630, 10607445, 21214890]

約数ペア:

[(1, 21214890), (2, 10607445), (3, 7071630), (5, 4242978), (6, 3535815), (9, 2357210), (10, 2121489), (15, 1414326), (18, 1178605), (30, 707163), (45, 471442), (90, 235721), (107, 198270), (214, 99135), (321, 66090), (535, 39654), (642, 33045), (963, 22030), (1070, 19827), (1605, 13218), (1926, 11015), (2203, 9630), (3210, 6609), (4406, 4815)]