21167222828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{47351}}^1$

素因数の和:47534

約数の個数: 48

約数和(自身を含む): 39902962176

約数和(自身を除く): 18735739348

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 113, 172, 226, 452, 989, 1978, 2599, 3956, 4859, 5198, 9718, 10396, 19436, 47351, 94702, 111757, 189404, 223514, 447028, 1089073, 2036093, 2178146, 4072186, 4356292, 5350663, 8144372, 10701326, 21402652, 46830139, 93660278, 123065249, 187320556, 230078509, 246130498, 460157018, 492260996, 920314036, 5291805707, 10583611414, 21167222828]

約数ペア:

[(1, 21167222828), (2, 10583611414), (4, 5291805707), (23, 920314036), (43, 492260996), (46, 460157018), (86, 246130498), (92, 230078509), (113, 187320556), (172, 123065249), (226, 93660278), (452, 46830139), (989, 21402652), (1978, 10701326), (2599, 8144372), (3956, 5350663), (4859, 4356292), (5198, 4072186), (9718, 2178146), (10396, 2036093), (19436, 1089073), (47351, 447028), (94702, 223514), (111757, 189404)]