21000279764

素因数分解:

$2^2\times {\mathrm{7607}}^1\times {\mathrm{690163}}^1$

素因数の和:697774

約数の個数: 12

約数和(自身を含む): 36755373984

約数和(自身を除く): 15755094220

約数列:

[1, 2, 4, 7607, 15214, 30428, 690163, 1380326, 2760652, 5250069941, 10500139882, 21000279764]

約数ペア:

[(1, 21000279764), (2, 10500139882), (4, 5250069941), (7607, 2760652), (15214, 1380326), (30428, 690163)]