21914361

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{2467}}^1$

素因数の和:2530

約数の個数: 32

約数和(自身を含む): 37908480

約数和(自身を除く): 15994119

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 141, 189, 329, 423, 987, 1269, 2467, 2961, 7401, 8883, 17269, 22203, 51807, 66609, 115949, 155421, 347847, 466263, 811643, 1043541, 2434929, 3130623, 7304787, 21914361]

約数ペア:

[(1, 21914361), (3, 7304787), (7, 3130623), (9, 2434929), (21, 1043541), (27, 811643), (47, 466263), (63, 347847), (141, 155421), (189, 115949), (329, 66609), (423, 51807), (987, 22203), (1269, 17269), (2467, 8883), (2961, 7401)]