21761816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{66347}}^1$

素因数の和:66394

約数の個数: 16

約数和(自身を含む): 41799240

約数和(自身を除く): 20037424

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 66347, 132694, 265388, 530776, 2720227, 5440454, 10880908, 21761816]

約数ペア:

[(1, 21761816), (2, 10880908), (4, 5440454), (8, 2720227), (41, 530776), (82, 265388), (164, 132694), (328, 66347)]