21103585

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{1151}}^1$

素因数の和:1368

約数の個数: 16

約数和(自身を含む): 26818560

約数和(自身を除く): 5714975

約数列:

[1, 5, 19, 95, 193, 965, 1151, 3667, 5755, 18335, 21869, 109345, 222143, 1110715, 4220717, 21103585]

約数ペア:

[(1, 21103585), (5, 4220717), (19, 1110715), (95, 222143), (193, 109345), (965, 21869), (1151, 18335), (3667, 5755)]