21548144

素因数分解:

$2^4\times {\mathrm{691}}^1\times {\mathrm{1949}}^1$

素因数の和:2648

約数の個数: 20

約数和(自身を含む): 41831400

約数和(自身を除く): 20283256

約数列:

[1, 2, 4, 8, 16, 691, 1382, 1949, 2764, 3898, 5528, 7796, 11056, 15592, 31184, 1346759, 2693518, 5387036, 10774072, 21548144]

約数ペア:

[(1, 21548144), (2, 10774072), (4, 5387036), (8, 2693518), (16, 1346759), (691, 31184), (1382, 15592), (1949, 11056), (2764, 7796), (3898, 5528)]