21000969603

素因数分解:

$3^3\times {\mathrm{167}}^1\times {\mathrm{4657567}}^1$

素因数の和:4657743

約数の個数: 16

約数和(自身を含む): 31298856960

約数和(自身を除く): 10297887357

約数列:

[1, 3, 9, 27, 167, 501, 1503, 4509, 4657567, 13972701, 41918103, 125754309, 777813689, 2333441067, 7000323201, 21000969603]

約数ペア:

[(1, 21000969603), (3, 7000323201), (9, 2333441067), (27, 777813689), (167, 125754309), (501, 41918103), (1503, 13972701), (4509, 4657567)]