21906970

素因数分解:

$2^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4691}}^1$

素因数の和:5165

約数の個数: 16

約数和(自身を含む): 39525408

約数和(自身を除く): 17618438

約数列:

[1, 2, 5, 10, 467, 934, 2335, 4670, 4691, 9382, 23455, 46910, 2190697, 4381394, 10953485, 21906970]

約数ペア:

[(1, 21906970), (2, 10953485), (5, 4381394), (10, 2190697), (467, 46910), (934, 23455), (2335, 9382), (4670, 4691)]