21224980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151607}}^1$

素因数の和:151623

約数の個数: 24

約数和(自身を含む): 50940288

約数和(自身を除く): 29715308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151607, 303214, 606428, 758035, 1061249, 1516070, 2122498, 3032140, 4244996, 5306245, 10612490, 21224980]

約数ペア:

[(1, 21224980), (2, 10612490), (4, 5306245), (5, 4244996), (7, 3032140), (10, 2122498), (14, 1516070), (20, 1061249), (28, 758035), (35, 606428), (70, 303214), (140, 151607)]