21310394

素因数分解:

$2^1\times 7^2\times {\mathrm{101}}^1\times {\mathrm{2153}}^1$

素因数の和:2270

約数の個数: 24

約数和(自身を含む): 37570068

約数和(自身を除く): 16259674

約数列:

[1, 2, 7, 14, 49, 98, 101, 202, 707, 1414, 2153, 4306, 4949, 9898, 15071, 30142, 105497, 210994, 217453, 434906, 1522171, 3044342, 10655197, 21310394]

約数ペア:

[(1, 21310394), (2, 10655197), (7, 3044342), (14, 1522171), (49, 434906), (98, 217453), (101, 210994), (202, 105497), (707, 30142), (1414, 15071), (2153, 9898), (4306, 4949)]