21889881095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1\times {\mathrm{42821}}^1$

素因数の和:48226

約数の個数: 16

約数和(自身を含む): 27656160480

約数和(自身を除く): 5766279385

約数列:

[1, 5, 19, 95, 5381, 26905, 42821, 102239, 214105, 511195, 813599, 4067995, 230419801, 1152099005, 4377976219, 21889881095]

約数ペア:

[(1, 21889881095), (5, 4377976219), (19, 1152099005), (95, 230419801), (5381, 4067995), (26905, 813599), (42821, 511195), (102239, 214105)]