21917345

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:760

約数の個数: 16

約数和(自身を含む): 26967168

約数和(自身を除く): 5049823

約数列:

[1, 5, 71, 107, 355, 535, 577, 2885, 7597, 37985, 40967, 61739, 204835, 308695, 4383469, 21917345]

約数ペア:

[(1, 21917345), (5, 4383469), (71, 308695), (107, 204835), (355, 61739), (535, 40967), (577, 37985), (2885, 7597)]