21744400

素因数分解:

$2^4\times 5^2\times {\mathrm{54361}}^1$

素因数の和:54379

約数の個数: 30

約数和(自身を含む): 52241882

約数和(自身を除く): 30497482

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 54361, 108722, 217444, 271805, 434888, 543610, 869776, 1087220, 1359025, 2174440, 2718050, 4348880, 5436100, 10872200, 21744400]

約数ペア:

[(1, 21744400), (2, 10872200), (4, 5436100), (5, 4348880), (8, 2718050), (10, 2174440), (16, 1359025), (20, 1087220), (25, 869776), (40, 543610), (50, 434888), (80, 271805), (100, 217444), (200, 108722), (400, 54361)]