21432488

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^2\times {\mathrm{3163}}^1$

素因数の和:3198

約数の個数: 48

約数和(自身を含む): 50497440

約数和(自身を除く): 29064952

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 121, 154, 242, 308, 484, 616, 847, 968, 1694, 3163, 3388, 6326, 6776, 12652, 22141, 25304, 34793, 44282, 69586, 88564, 139172, 177128, 243551, 278344, 382723, 487102, 765446, 974204, 1530892, 1948408, 2679061, 3061784, 5358122, 10716244, 21432488]

約数ペア:

[(1, 21432488), (2, 10716244), (4, 5358122), (7, 3061784), (8, 2679061), (11, 1948408), (14, 1530892), (22, 974204), (28, 765446), (44, 487102), (56, 382723), (77, 278344), (88, 243551), (121, 177128), (154, 139172), (242, 88564), (308, 69586), (484, 44282), (616, 34793), (847, 25304), (968, 22141), (1694, 12652), (3163, 6776), (3388, 6326)]