21025419

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6047}}^1$

素因数の和:6130

約数の個数: 16

約数和(自身を含む): 29998080

約数和(自身を除く): 8972661

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 6047, 18141, 114893, 344679, 368867, 1106601, 7008473, 21025419]

約数ペア:

[(1, 21025419), (3, 7008473), (19, 1106601), (57, 368867), (61, 344679), (183, 114893), (1159, 18141), (3477, 6047)]