21731049005

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{373}}^1\times {\mathrm{2851}}^1$

素因数の和:3357

約数の個数: 32

約数和(自身を含む): 26981927808

約数和(自身を除く): 5250878803

約数列:

[1, 5, 61, 67, 305, 335, 373, 1865, 2851, 4087, 14255, 20435, 22753, 24991, 113765, 124955, 173911, 191017, 869555, 955085, 1063423, 1524451, 5317115, 7622255, 11652037, 58260185, 64868803, 71249341, 324344015, 356246705, 4346209801, 21731049005]

約数ペア:

[(1, 21731049005), (5, 4346209801), (61, 356246705), (67, 324344015), (305, 71249341), (335, 64868803), (373, 58260185), (1865, 11652037), (2851, 7622255), (4087, 5317115), (14255, 1524451), (20435, 1063423), (22753, 955085), (24991, 869555), (113765, 191017), (124955, 173911)]