21731782

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{1697}}^1$

素因数の和:2055

約数の個数: 16

約数和(自身を含む): 34435440

約数和(自身を除く): 12703658

約数列:

[1, 2, 19, 38, 337, 674, 1697, 3394, 6403, 12806, 32243, 64486, 571889, 1143778, 10865891, 21731782]

約数ペア:

[(1, 21731782), (2, 10865891), (19, 1143778), (38, 571889), (337, 64486), (674, 32243), (1697, 12806), (3394, 6403)]