21992184

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1087}}^1$

素因数の和:1380

約数の個数: 48

約数和(自身を含む): 59829120

約数和(自身を除く): 37836936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1087, 1124, 1686, 2174, 2248, 2529, 3261, 3372, 4348, 5058, 6522, 6744, 8696, 9783, 10116, 13044, 19566, 20232, 26088, 39132, 78264, 305447, 610894, 916341, 1221788, 1832682, 2443576, 2749023, 3665364, 5498046, 7330728, 10996092, 21992184]

約数ペア:

[(1, 21992184), (2, 10996092), (3, 7330728), (4, 5498046), (6, 3665364), (8, 2749023), (9, 2443576), (12, 1832682), (18, 1221788), (24, 916341), (36, 610894), (72, 305447), (281, 78264), (562, 39132), (843, 26088), (1087, 20232), (1124, 19566), (1686, 13044), (2174, 10116), (2248, 9783), (2529, 8696), (3261, 6744), (3372, 6522), (4348, 5058)]