21110377

素因数分解:

${\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{157}}^1$

素因数の和:312

約数の個数: 16

約数和(自身を含む): 22524480

約数和(自身を除く): 1414103

約数列:

[1, 43, 53, 59, 157, 2279, 2537, 3127, 6751, 8321, 9263, 134461, 357803, 398309, 490939, 21110377]

約数ペア:

[(1, 21110377), (43, 490939), (53, 398309), (59, 357803), (157, 134461), (2279, 9263), (2537, 8321), (3127, 6751)]