21046930

素因数分解:

$2^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{4751}}^1$

素因数の和:5201

約数の個数: 16

約数和(自身を含む): 37977984

約数和(自身を除く): 16931054

約数列:

[1, 2, 5, 10, 443, 886, 2215, 4430, 4751, 9502, 23755, 47510, 2104693, 4209386, 10523465, 21046930]

約数ペア:

[(1, 21046930), (2, 10523465), (5, 4209386), (10, 2104693), (443, 47510), (886, 23755), (2215, 9502), (4430, 4751)]