21215751633

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{426353}}^1$

素因数の和:426478

約数の個数: 32

約数和(自身を含む): 33426153600

約数和(自身を除く): 12210401967

約数列:

[1, 3, 9, 19, 27, 57, 97, 171, 291, 513, 873, 1843, 2619, 5529, 16587, 49761, 426353, 1279059, 3837177, 8100707, 11511531, 24302121, 41356241, 72906363, 124068723, 218719089, 372206169, 785768579, 1116618507, 2357305737, 7071917211, 21215751633]

約数ペア:

[(1, 21215751633), (3, 7071917211), (9, 2357305737), (19, 1116618507), (27, 785768579), (57, 372206169), (97, 218719089), (171, 124068723), (291, 72906363), (513, 41356241), (873, 24302121), (1843, 11511531), (2619, 8100707), (5529, 3837177), (16587, 1279059), (49761, 426353)]