21478816

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{35327}}^1$

素因数の和:35356

約数の個数: 24

約数和(自身を含む): 44513280

約数和(自身を除く): 23034464

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 35327, 70654, 141308, 282616, 565232, 671213, 1130464, 1342426, 2684852, 5369704, 10739408, 21478816]

約数ペア:

[(1, 21478816), (2, 10739408), (4, 5369704), (8, 2684852), (16, 1342426), (19, 1130464), (32, 671213), (38, 565232), (76, 282616), (152, 141308), (304, 70654), (608, 35327)]