21287374

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{6907}}^1$

素因数の和:6999

約数の個数: 16

約数和(自身を含む): 33821568

約数和(自身を除く): 12534194

約数列:

[1, 2, 23, 46, 67, 134, 1541, 3082, 6907, 13814, 158861, 317722, 462769, 925538, 10643687, 21287374]

約数ペア:

[(1, 21287374), (2, 10643687), (23, 925538), (46, 462769), (67, 317722), (134, 158861), (1541, 13814), (3082, 6907)]