210018221

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{76733}}^1$

素因数の和:76780

約数の個数: 16

約数和(自身を含む): 265192704

約数和(自身を除く): 55174483

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 76733, 537131, 1304461, 1764859, 9131227, 12354013, 30002603, 210018221]

約数ペア:

[(1, 210018221), (7, 30002603), (17, 12354013), (23, 9131227), (119, 1764859), (161, 1304461), (391, 537131), (2737, 76733)]