21464217

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{463}}^1$

素因数の和:590

約数の個数: 32

約数和(自身を含む): 34076160

約数和(自身を除く): 12611943

約数列:

[1, 3, 9, 17, 27, 51, 101, 153, 303, 459, 463, 909, 1389, 1717, 2727, 4167, 5151, 7871, 12501, 15453, 23613, 46359, 46763, 70839, 140289, 212517, 420867, 794971, 1262601, 2384913, 7154739, 21464217]

約数ペア:

[(1, 21464217), (3, 7154739), (9, 2384913), (17, 1262601), (27, 794971), (51, 420867), (101, 212517), (153, 140289), (303, 70839), (459, 46763), (463, 46359), (909, 23613), (1389, 15453), (1717, 12501), (2727, 7871), (4167, 5151)]