21568722

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73363}}^1$

素因数の和:73382

約数の個数: 24

約数和(自身を含む): 50180976

約数和(自身を除く): 28612254

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73363, 146726, 220089, 440178, 513541, 1027082, 1540623, 3081246, 3594787, 7189574, 10784361, 21568722]

約数ペア:

[(1, 21568722), (2, 10784361), (3, 7189574), (6, 3594787), (7, 3081246), (14, 1540623), (21, 1027082), (42, 513541), (49, 440178), (98, 220089), (147, 146726), (294, 73363)]