21084453

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{587}}^1$

素因数の和:913

約数の個数: 24

約数和(自身を含む): 32960928

約数和(自身を除く): 11876475

約数列:

[1, 3, 9, 13, 39, 117, 307, 587, 921, 1761, 2763, 3991, 5283, 7631, 11973, 22893, 35919, 68679, 180209, 540627, 1621881, 2342717, 7028151, 21084453]

約数ペア:

[(1, 21084453), (3, 7028151), (9, 2342717), (13, 1621881), (39, 540627), (117, 180209), (307, 68679), (587, 35919), (921, 22893), (1761, 11973), (2763, 7631), (3991, 5283)]