21096970345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1439}}^1\times {\mathrm{1789}}^1$

素因数の和:3393

約数の個数: 32

約数和(自身を含む): 27838080000

約数和(自身を除く): 6741109655

約数列:

[1, 5, 11, 55, 149, 745, 1439, 1639, 1789, 7195, 8195, 8945, 15829, 19679, 79145, 98395, 214411, 266561, 1072055, 1332805, 2358521, 2574371, 2932171, 11792605, 12871855, 14660855, 28318081, 141590405, 383581279, 1917906395, 4219394069, 21096970345]

約数ペア:

[(1, 21096970345), (5, 4219394069), (11, 1917906395), (55, 383581279), (149, 141590405), (745, 28318081), (1439, 14660855), (1639, 12871855), (1789, 11792605), (7195, 2932171), (8195, 2574371), (8945, 2358521), (15829, 1332805), (19679, 1072055), (79145, 266561), (98395, 214411)]