21324850

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{6007}}^1$

素因数の和:6090

約数の個数: 24

約数和(自身を含む): 40229568

約数和(自身を除く): 18904718

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 6007, 12014, 30035, 60070, 150175, 300350, 426497, 852994, 2132485, 4264970, 10662425, 21324850]

約数ペア:

[(1, 21324850), (2, 10662425), (5, 4264970), (10, 2132485), (25, 852994), (50, 426497), (71, 300350), (142, 150175), (355, 60070), (710, 30035), (1775, 12014), (3550, 6007)]