21461241

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{5303}}^1$

素因数の和:5396

約数の個数: 16

約数和(自身を含む): 30551040

約数和(自身を除く): 9089799

約数列:

[1, 3, 19, 57, 71, 213, 1349, 4047, 5303, 15909, 100757, 302271, 376513, 1129539, 7153747, 21461241]

約数ペア:

[(1, 21461241), (3, 7153747), (19, 1129539), (57, 376513), (71, 302271), (213, 100757), (1349, 15909), (4047, 5303)]