21653200

素因数分解:

$2^4\times 5^2\times {\mathrm{54133}}^1$

素因数の和:54151

約数の個数: 30

約数和(自身を含む): 52022774

約数和(自身を除く): 30369574

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54133, 108266, 216532, 270665, 433064, 541330, 866128, 1082660, 1353325, 2165320, 2706650, 4330640, 5413300, 10826600, 21653200]

約数ペア:

[(1, 21653200), (2, 10826600), (4, 5413300), (5, 4330640), (8, 2706650), (10, 2165320), (16, 1353325), (20, 1082660), (25, 866128), (40, 541330), (50, 433064), (80, 270665), (100, 216532), (200, 108266), (400, 54133)]