21385368

素因数分解:

$2^3\times 3^2\times {\mathrm{297019}}^1$

素因数の和:297031

約数の個数: 24

約数和(自身を含む): 57918900

約数和(自身を除く): 36533532

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 297019, 594038, 891057, 1188076, 1782114, 2376152, 2673171, 3564228, 5346342, 7128456, 10692684, 21385368]

約数ペア:

[(1, 21385368), (2, 10692684), (3, 7128456), (4, 5346342), (6, 3564228), (8, 2673171), (9, 2376152), (12, 1782114), (18, 1188076), (24, 891057), (36, 594038), (72, 297019)]