21447932

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5477}}^1$

素因数の和:5581

約数の個数: 24

約数和(自身を含む): 41413680

約数和(自身を除く): 19965748

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5477, 10954, 21908, 60247, 120494, 240988, 487453, 974906, 1949812, 5361983, 10723966, 21447932]

約数ペア:

[(1, 21447932), (2, 10723966), (4, 5361983), (11, 1949812), (22, 974906), (44, 487453), (89, 240988), (178, 120494), (356, 60247), (979, 21908), (1958, 10954), (3916, 5477)]