21443004

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{313}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 59662512

約数和(自身を除く): 38219508

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 173, 198, 313, 346, 396, 519, 626, 692, 939, 1038, 1252, 1557, 1878, 1903, 2076, 2817, 3114, 3443, 3756, 3806, 5634, 5709, 6228, 6886, 7612, 10329, 11268, 11418, 13772, 17127, 20658, 22836, 30987, 34254, 41316, 54149, 61974, 68508, 108298, 123948, 162447, 216596, 324894, 487341, 595639, 649788, 974682, 1191278, 1786917, 1949364, 2382556, 3573834, 5360751, 7147668, 10721502, 21443004]

約数ペア:

[(1, 21443004), (2, 10721502), (3, 7147668), (4, 5360751), (6, 3573834), (9, 2382556), (11, 1949364), (12, 1786917), (18, 1191278), (22, 974682), (33, 649788), (36, 595639), (44, 487341), (66, 324894), (99, 216596), (132, 162447), (173, 123948), (198, 108298), (313, 68508), (346, 61974), (396, 54149), (519, 41316), (626, 34254), (692, 30987), (939, 22836), (1038, 20658), (1252, 17127), (1557, 13772), (1878, 11418), (1903, 11268), (2076, 10329), (2817, 7612), (3114, 6886), (3443, 6228), (3756, 5709), (3806, 5634)]