21825321

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{619}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 35235840

約数和(自身を除く): 13410519

約数列:

[1, 3, 7, 21, 23, 69, 73, 161, 219, 483, 511, 619, 1533, 1679, 1857, 4333, 5037, 11753, 12999, 14237, 35259, 42711, 45187, 99659, 135561, 298977, 316309, 948927, 1039301, 3117903, 7275107, 21825321]

約数ペア:

[(1, 21825321), (3, 7275107), (7, 3117903), (21, 1039301), (23, 948927), (69, 316309), (73, 298977), (161, 135561), (219, 99659), (483, 45187), (511, 42711), (619, 35259), (1533, 14237), (1679, 12999), (1857, 11753), (4333, 5037)]