21654204

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12619}}^1$

素因数の和:12650

約数の個数: 48

約数和(自身を含む): 59364480

約数和(自身を除く): 37710276

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 12619, 25238, 37857, 50476, 75714, 138809, 151428, 164047, 277618, 328094, 416427, 492141, 555236, 656188, 832854, 984282, 1665708, 1804517, 1968564, 3609034, 5413551, 7218068, 10827102, 21654204]

約数ペア:

[(1, 21654204), (2, 10827102), (3, 7218068), (4, 5413551), (6, 3609034), (11, 1968564), (12, 1804517), (13, 1665708), (22, 984282), (26, 832854), (33, 656188), (39, 555236), (44, 492141), (52, 416427), (66, 328094), (78, 277618), (132, 164047), (143, 151428), (156, 138809), (286, 75714), (429, 50476), (572, 37857), (858, 25238), (1716, 12619)]