21586394

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{5309}}^1$

素因数の和:5437

約数の個数: 16

約数和(自身を含む): 34408800

約数和(自身を除く): 12822406

約数列:

[1, 2, 19, 38, 107, 214, 2033, 4066, 5309, 10618, 100871, 201742, 568063, 1136126, 10793197, 21586394]

約数ペア:

[(1, 21586394), (2, 10793197), (19, 1136126), (38, 568063), (107, 201742), (214, 100871), (2033, 10618), (4066, 5309)]