21000209060

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{36207257}}^1$

素因数の和:36207295

約数の個数: 24

約数和(自身を含む): 45621145080

約数和(自身を除く): 24620936020

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 580, 36207257, 72414514, 144829028, 181036285, 362072570, 724145140, 1050010453, 2100020906, 4200041812, 5250052265, 10500104530, 21000209060]

約数ペア:

[(1, 21000209060), (2, 10500104530), (4, 5250052265), (5, 4200041812), (10, 2100020906), (20, 1050010453), (29, 724145140), (58, 362072570), (116, 181036285), (145, 144829028), (290, 72414514), (580, 36207257)]