21610719

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{6841}}^1$

素因数の和:6869

約数の個数: 24

約数和(自身を含む): 34866832

約数和(自身を除く): 13256113

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 6841, 20523, 61569, 88933, 184707, 266799, 554121, 800397, 1662363, 2401191, 7203573, 21610719]

約数ペア:

[(1, 21610719), (3, 7203573), (9, 2401191), (13, 1662363), (27, 800397), (39, 554121), (81, 266799), (117, 184707), (243, 88933), (351, 61569), (1053, 20523), (3159, 6841)]