21685612

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 44029440

約数和(自身を除く): 22343828

約数列:

[1, 2, 4, 13, 19, 26, 38, 47, 52, 76, 94, 188, 247, 467, 494, 611, 893, 934, 988, 1222, 1786, 1868, 2444, 3572, 6071, 8873, 11609, 12142, 17746, 21949, 23218, 24284, 35492, 43898, 46436, 87796, 115349, 230698, 285337, 417031, 461396, 570674, 834062, 1141348, 1668124, 5421403, 10842806, 21685612]

約数ペア:

[(1, 21685612), (2, 10842806), (4, 5421403), (13, 1668124), (19, 1141348), (26, 834062), (38, 570674), (47, 461396), (52, 417031), (76, 285337), (94, 230698), (188, 115349), (247, 87796), (467, 46436), (494, 43898), (611, 35492), (893, 24284), (934, 23218), (988, 21949), (1222, 17746), (1786, 12142), (1868, 11609), (2444, 8873), (3572, 6071)]