21917789642

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{11427419}}^1$

素因数の和:11427565

約数の個数: 16

約数和(自身を含む): 37847615040

約数和(自身を除く): 15929825398

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 11427419, 22854838, 79991933, 159983866, 1565556403, 3131112806, 10958894821, 21917789642]

約数ペア:

[(1, 21917789642), (2, 10958894821), (7, 3131112806), (14, 1565556403), (137, 159983866), (274, 79991933), (959, 22854838), (1918, 11427419)]