21997614

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{159403}}^1$

素因数の和:159431

約数の個数: 16

約数和(自身を含む): 45908352

約数和(自身を除く): 23910738

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 159403, 318806, 478209, 956418, 3666269, 7332538, 10998807, 21997614]

約数ペア:

[(1, 21997614), (2, 10998807), (3, 7332538), (6, 3666269), (23, 956418), (46, 478209), (69, 318806), (138, 159403)]