21623195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:323

約数の個数: 32

約数和(自身を含む): 29804544

約数和(自身を除く): 8181349

約数列:

[1, 5, 11, 41, 43, 55, 205, 215, 223, 451, 473, 1115, 1763, 2255, 2365, 2453, 8815, 9143, 9589, 12265, 19393, 45715, 47945, 96965, 100573, 105479, 393149, 502865, 527395, 1965745, 4324639, 21623195]

約数ペア:

[(1, 21623195), (5, 4324639), (11, 1965745), (41, 527395), (43, 502865), (55, 393149), (205, 105479), (215, 100573), (223, 96965), (451, 47945), (473, 45715), (1115, 19393), (1763, 12265), (2255, 9589), (2365, 9143), (2453, 8815)]