21203373

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{937}}^1$

素因数の和:1356

約数の個数: 16

約数和(自身を含む): 29865920

約数和(自身を除く): 8662547

約数列:

[1, 3, 19, 57, 397, 937, 1191, 2811, 7543, 17803, 22629, 53409, 371989, 1115967, 7067791, 21203373]

約数ペア:

[(1, 21203373), (3, 7067791), (19, 1115967), (57, 371989), (397, 53409), (937, 22629), (1191, 17803), (2811, 7543)]