21813372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86561}}^1$

素因数の和:86578

約数の個数: 36

約数和(自身を含む): 63017136

約数和(自身を除く): 41203764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86561, 173122, 259683, 346244, 519366, 605927, 779049, 1038732, 1211854, 1558098, 1817781, 2423708, 3116196, 3635562, 5453343, 7271124, 10906686, 21813372]

約数ペア:

[(1, 21813372), (2, 10906686), (3, 7271124), (4, 5453343), (6, 3635562), (7, 3116196), (9, 2423708), (12, 1817781), (14, 1558098), (18, 1211854), (21, 1038732), (28, 779049), (36, 605927), (42, 519366), (63, 346244), (84, 259683), (126, 173122), (252, 86561)]