21672084

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 96

約数和(自身を含む): 62648320

約数和(自身を除く): 40976236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 37, 38, 42, 57, 74, 76, 84, 111, 114, 133, 148, 222, 228, 259, 266, 367, 399, 444, 518, 532, 703, 734, 777, 798, 1036, 1101, 1406, 1468, 1554, 1596, 2109, 2202, 2569, 2812, 3108, 4218, 4404, 4921, 5138, 6973, 7707, 8436, 9842, 10276, 13579, 13946, 14763, 15414, 19684, 20919, 27158, 27892, 29526, 30828, 40737, 41838, 48811, 54316, 59052, 81474, 83676, 95053, 97622, 146433, 162948, 190106, 195244, 258001, 285159, 292866, 380212, 516002, 570318, 585732, 774003, 1032004, 1140636, 1548006, 1806007, 3096012, 3612014, 5418021, 7224028, 10836042, 21672084]

約数ペア:

[(1, 21672084), (2, 10836042), (3, 7224028), (4, 5418021), (6, 3612014), (7, 3096012), (12, 1806007), (14, 1548006), (19, 1140636), (21, 1032004), (28, 774003), (37, 585732), (38, 570318), (42, 516002), (57, 380212), (74, 292866), (76, 285159), (84, 258001), (111, 195244), (114, 190106), (133, 162948), (148, 146433), (222, 97622), (228, 95053), (259, 83676), (266, 81474), (367, 59052), (399, 54316), (444, 48811), (518, 41838), (532, 40737), (703, 30828), (734, 29526), (777, 27892), (798, 27158), (1036, 20919), (1101, 19684), (1406, 15414), (1468, 14763), (1554, 13946), (1596, 13579), (2109, 10276), (2202, 9842), (2569, 8436), (2812, 7707), (3108, 6973), (4218, 5138), (4404, 4921)]