21178296

素因数分解:

$2^3\times 3^2\times {\mathrm{107}}^1\times {\mathrm{2749}}^1$

素因数の和:2868

約数の個数: 48

約数和(自身を含む): 57915000

約数和(自身を除く): 36736704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 107, 214, 321, 428, 642, 856, 963, 1284, 1926, 2568, 2749, 3852, 5498, 7704, 8247, 10996, 16494, 21992, 24741, 32988, 49482, 65976, 98964, 197928, 294143, 588286, 882429, 1176572, 1764858, 2353144, 2647287, 3529716, 5294574, 7059432, 10589148, 21178296]

約数ペア:

[(1, 21178296), (2, 10589148), (3, 7059432), (4, 5294574), (6, 3529716), (8, 2647287), (9, 2353144), (12, 1764858), (18, 1176572), (24, 882429), (36, 588286), (72, 294143), (107, 197928), (214, 98964), (321, 65976), (428, 49482), (642, 32988), (856, 24741), (963, 21992), (1284, 16494), (1926, 10996), (2568, 8247), (2749, 7704), (3852, 5498)]