9921380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{70867}}^1$

素因数の和:70883

約数の個数: 24

約数和(自身を含む): 23811648

約数和(自身を除く): 13890268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 70867, 141734, 283468, 354335, 496069, 708670, 992138, 1417340, 1984276, 2480345, 4960690, 9921380]

約数ペア:

[(1, 9921380), (2, 4960690), (4, 2480345), (5, 1984276), (7, 1417340), (10, 992138), (14, 708670), (20, 496069), (28, 354335), (35, 283468), (70, 141734), (140, 70867)]