21351954

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{599}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 46166400

約数和(自身を除く): 24814446

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 457, 599, 914, 1198, 1371, 1797, 2742, 3594, 5941, 7787, 11882, 15574, 17823, 23361, 35646, 46722, 273743, 547486, 821229, 1642458, 3558659, 7117318, 10675977, 21351954]

約数ペア:

[(1, 21351954), (2, 10675977), (3, 7117318), (6, 3558659), (13, 1642458), (26, 821229), (39, 547486), (78, 273743), (457, 46722), (599, 35646), (914, 23361), (1198, 17823), (1371, 15574), (1797, 11882), (2742, 7787), (3594, 5941)]