21190053335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{77101}}^1$

素因数の和:77399

約数の個数: 32

約数和(自身を含む): 29311096320

約数和(自身を除く): 8121042985

約数列:

[1, 5, 11, 19, 55, 95, 209, 263, 1045, 1315, 2893, 4997, 14465, 24985, 54967, 77101, 274835, 385505, 848111, 1464919, 4240555, 7324595, 16114109, 20277563, 80570545, 101387815, 223053193, 385273697, 1115265965, 1926368485, 4238010667, 21190053335]

約数ペア:

[(1, 21190053335), (5, 4238010667), (11, 1926368485), (19, 1115265965), (55, 385273697), (95, 223053193), (209, 101387815), (263, 80570545), (1045, 20277563), (1315, 16114109), (2893, 7324595), (4997, 4240555), (14465, 1464919), (24985, 848111), (54967, 385505), (77101, 274835)]