21038149782

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89906623}}^1$

素因数の和:89906644

約数の個数: 24

約数和(自身を含む): 49089016704

約数和(自身を除く): 28050866922

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 89906623, 179813246, 269719869, 539439738, 809159607, 1168786099, 1618319214, 2337572198, 3506358297, 7012716594, 10519074891, 21038149782]

約数ペア:

[(1, 21038149782), (2, 10519074891), (3, 7012716594), (6, 3506358297), (9, 2337572198), (13, 1618319214), (18, 1168786099), (26, 809159607), (39, 539439738), (78, 269719869), (117, 179813246), (234, 89906623)]