21643812

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31643}}^1$

素因数の和:31672

約数の個数: 36

約数和(自身を含む): 57592080

約数和(自身を除く): 35948268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31643, 63286, 94929, 126572, 189858, 284787, 379716, 569574, 601217, 1139148, 1202434, 1803651, 2404868, 3607302, 5410953, 7214604, 10821906, 21643812]

約数ペア:

[(1, 21643812), (2, 10821906), (3, 7214604), (4, 5410953), (6, 3607302), (9, 2404868), (12, 1803651), (18, 1202434), (19, 1139148), (36, 601217), (38, 569574), (57, 379716), (76, 284787), (114, 189858), (171, 126572), (228, 94929), (342, 63286), (684, 31643)]