21231094

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:388

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 14020106

約数列:

[1, 2, 19, 31, 38, 62, 67, 134, 269, 538, 589, 1178, 1273, 2077, 2546, 4154, 5111, 8339, 10222, 16678, 18023, 36046, 39463, 78926, 158441, 316882, 342437, 558713, 684874, 1117426, 10615547, 21231094]

約数ペア:

[(1, 21231094), (2, 10615547), (19, 1117426), (31, 684874), (38, 558713), (62, 342437), (67, 316882), (134, 158441), (269, 78926), (538, 39463), (589, 36046), (1178, 18023), (1273, 16678), (2077, 10222), (2546, 8339), (4154, 5111)]