21085311949

素因数分解:

${\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{397}}^1\times {\mathrm{49223}}^1$

素因数の和:49716

約数の個数: 16

約数和(自身を含む): 23039194752

約数和(自身を除く): 1953882803

約数列:

[1, 13, 83, 397, 1079, 5161, 32951, 49223, 428363, 639899, 4085509, 19541531, 53111617, 254039903, 1621947073, 21085311949]

約数ペア:

[(1, 21085311949), (13, 1621947073), (83, 254039903), (397, 53111617), (1079, 19541531), (5161, 4085509), (32951, 639899), (49223, 428363)]