21554816

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{8863}}^1$

素因数の和:8896

約数の個数: 32

約数和(自身を含む): 45206400

約数和(自身を除く): 23651584

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 8863, 17726, 35452, 70904, 141808, 168397, 283616, 336794, 567232, 673588, 1134464, 1347176, 2694352, 5388704, 10777408, 21554816]

約数ペア:

[(1, 21554816), (2, 10777408), (4, 5388704), (8, 2694352), (16, 1347176), (19, 1134464), (32, 673588), (38, 567232), (64, 336794), (76, 283616), (128, 168397), (152, 141808), (304, 70904), (608, 35452), (1216, 17726), (2432, 8863)]