21366693

素因数分解:

$3^3\times {\mathrm{179}}^1\times {\mathrm{4421}}^1$

素因数の和:4609

約数の個数: 16

約数和(自身を含む): 31838400

約数和(自身を除く): 10471707

約数列:

[1, 3, 9, 27, 179, 537, 1611, 4421, 4833, 13263, 39789, 119367, 791359, 2374077, 7122231, 21366693]

約数ペア:

[(1, 21366693), (3, 7122231), (9, 2374077), (27, 791359), (179, 119367), (537, 39789), (1611, 13263), (4421, 4833)]