21768138

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5573}}^1$

素因数の和:5619

約数の個数: 48

約数和(自身を含む): 55650816

約数和(自身を除く): 33882678

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 62, 63, 93, 126, 186, 217, 279, 434, 558, 651, 1302, 1953, 3906, 5573, 11146, 16719, 33438, 39011, 50157, 78022, 100314, 117033, 172763, 234066, 345526, 351099, 518289, 702198, 1036578, 1209341, 1554867, 2418682, 3109734, 3628023, 7256046, 10884069, 21768138]

約数ペア:

[(1, 21768138), (2, 10884069), (3, 7256046), (6, 3628023), (7, 3109734), (9, 2418682), (14, 1554867), (18, 1209341), (21, 1036578), (31, 702198), (42, 518289), (62, 351099), (63, 345526), (93, 234066), (126, 172763), (186, 117033), (217, 100314), (279, 78022), (434, 50157), (558, 39011), (651, 33438), (1302, 16719), (1953, 11146), (3906, 5573)]