21214374

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2716

約数の個数: 32

約数和(自身を含む): 45308160

約数和(自身を除く): 24093786

約数列:

[1, 2, 3, 6, 19, 38, 57, 71, 114, 142, 213, 426, 1349, 2621, 2698, 4047, 5242, 7863, 8094, 15726, 49799, 99598, 149397, 186091, 298794, 372182, 558273, 1116546, 3535729, 7071458, 10607187, 21214374]

約数ペア:

[(1, 21214374), (2, 10607187), (3, 7071458), (6, 3535729), (19, 1116546), (38, 558273), (57, 372182), (71, 298794), (114, 186091), (142, 149397), (213, 99598), (426, 49799), (1349, 15726), (2621, 8094), (2698, 7863), (4047, 5242)]