21452346

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^2\times {\mathrm{173}}^1$

素因数の和:347

約数の個数: 36

約数和(自身を含む): 47318778

約数和(自身を除く): 25866432

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 173, 249, 346, 498, 519, 747, 1038, 1494, 1557, 3114, 6889, 13778, 14359, 20667, 28718, 41334, 43077, 62001, 86154, 124002, 129231, 258462, 1191797, 2383594, 3575391, 7150782, 10726173, 21452346]

約数ペア:

[(1, 21452346), (2, 10726173), (3, 7150782), (6, 3575391), (9, 2383594), (18, 1191797), (83, 258462), (166, 129231), (173, 124002), (249, 86154), (346, 62001), (498, 43077), (519, 41334), (747, 28718), (1038, 20667), (1494, 14359), (1557, 13778), (3114, 6889)]