21092888

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{919}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 41952000

約数和(自身を除く): 20859112

約数列:

[1, 2, 4, 8, 19, 38, 76, 151, 152, 302, 604, 919, 1208, 1838, 2869, 3676, 5738, 7352, 11476, 17461, 22952, 34922, 69844, 138769, 139688, 277538, 555076, 1110152, 2636611, 5273222, 10546444, 21092888]

約数ペア:

[(1, 21092888), (2, 10546444), (4, 5273222), (8, 2636611), (19, 1110152), (38, 555076), (76, 277538), (151, 139688), (152, 138769), (302, 69844), (604, 34922), (919, 22952), (1208, 17461), (1838, 11476), (2869, 7352), (3676, 5738)]