21720702

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{97841}}^1$

素因数の和:97883

約数の個数: 16

約数和(自身を含む): 44615952

約数和(自身を除く): 22895250

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 97841, 195682, 293523, 587046, 3620117, 7240234, 10860351, 21720702]

約数ペア:

[(1, 21720702), (2, 10860351), (3, 7240234), (6, 3620117), (37, 587046), (74, 293523), (111, 195682), (222, 97841)]