21071342

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{19121}}^1$

素因数の和:19171

約数の個数: 16

約数和(自身を含む): 34419600

約数和(自身を除く): 13348258

約数列:

[1, 2, 19, 29, 38, 58, 551, 1102, 19121, 38242, 363299, 554509, 726598, 1109018, 10535671, 21071342]

約数ペア:

[(1, 21071342), (2, 10535671), (19, 1109018), (29, 726598), (38, 554509), (58, 363299), (551, 38242), (1102, 19121)]