21000658184

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{238643843}}^1$

素因数の和:238643860

約数の個数: 16

約数和(自身を含む): 42955891920

約数和(自身を除く): 21955233736

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 238643843, 477287686, 954575372, 1909150744, 2625082273, 5250164546, 10500329092, 21000658184]

約数ペア:

[(1, 21000658184), (2, 10500329092), (4, 5250164546), (8, 2625082273), (11, 1909150744), (22, 954575372), (44, 477287686), (88, 238643843)]