21461200

素因数分解:

$2^4\times 5^2\times {\mathrm{53653}}^1$

素因数の和:53671

約数の個数: 30

約数和(自身を含む): 51561494

約数和(自身を除く): 30100294

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 53653, 107306, 214612, 268265, 429224, 536530, 858448, 1073060, 1341325, 2146120, 2682650, 4292240, 5365300, 10730600, 21461200]

約数ペア:

[(1, 21461200), (2, 10730600), (4, 5365300), (5, 4292240), (8, 2682650), (10, 2146120), (16, 1341325), (20, 1073060), (25, 858448), (40, 536530), (50, 429224), (80, 268265), (100, 214612), (200, 107306), (400, 53653)]