21000974036

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7426087}}^1$

素因数の和:7426199

約数の個数: 24

約数和(自身を含む): 42417814656

約数和(自身を除く): 21416840620

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7426087, 14852174, 29704348, 51982609, 103965218, 207930436, 750034787, 1500069574, 3000139148, 5250243509, 10500487018, 21000974036]

約数ペア:

[(1, 21000974036), (2, 10500487018), (4, 5250243509), (7, 3000139148), (14, 1500069574), (28, 750034787), (101, 207930436), (202, 103965218), (404, 51982609), (707, 29704348), (1414, 14852174), (2828, 7426087)]