21179433

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 34352640

約数和(自身を除く): 13173207

約数列:

[1, 3, 11, 17, 19, 33, 51, 57, 187, 209, 323, 561, 627, 969, 1987, 3553, 5961, 10659, 21857, 33779, 37753, 65571, 101337, 113259, 371569, 415283, 641801, 1114707, 1245849, 1925403, 7059811, 21179433]

約数ペア:

[(1, 21179433), (3, 7059811), (11, 1925403), (17, 1245849), (19, 1114707), (33, 641801), (51, 415283), (57, 371569), (187, 113259), (209, 101337), (323, 65571), (561, 37753), (627, 33779), (969, 21857), (1987, 10659), (3553, 5961)]