21036764

素因数分解:

$2^2\times 7^1\times {\mathrm{769}}^1\times {\mathrm{977}}^1$

素因数の和:1757

約数の個数: 24

約数和(自身を含む): 42171360

約数和(自身を除く): 21134596

約数列:

[1, 2, 4, 7, 14, 28, 769, 977, 1538, 1954, 3076, 3908, 5383, 6839, 10766, 13678, 21532, 27356, 751313, 1502626, 3005252, 5259191, 10518382, 21036764]

約数ペア:

[(1, 21036764), (2, 10518382), (4, 5259191), (7, 3005252), (14, 1502626), (28, 751313), (769, 27356), (977, 21532), (1538, 13678), (1954, 10766), (3076, 6839), (3908, 5383)]