21132035519

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{56993}}^1$

素因数の和:57084

約数の個数: 32

約数和(自身を含む): 26262835200

約数和(自身を除く): 5130799681

約数列:

[1, 7, 23, 47, 49, 161, 329, 343, 1081, 1127, 2303, 7567, 7889, 16121, 52969, 56993, 370783, 398951, 1310839, 2678671, 2792657, 9175873, 18750697, 19548599, 61609433, 64231111, 131254879, 431266031, 449617777, 918784153, 3018862217, 21132035519]

約数ペア:

[(1, 21132035519), (7, 3018862217), (23, 918784153), (47, 449617777), (49, 431266031), (161, 131254879), (329, 64231111), (343, 61609433), (1081, 19548599), (1127, 18750697), (2303, 9175873), (7567, 2792657), (7889, 2678671), (16121, 1310839), (52969, 398951), (56993, 370783)]