21978546

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{54673}}^1$

素因数の和:54745

約数の個数: 16

約数和(自身を含む): 44613984

約数和(自身を除く): 22635438

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 54673, 109346, 164019, 328038, 3663091, 7326182, 10989273, 21978546]

約数ペア:

[(1, 21978546), (2, 10989273), (3, 7326182), (6, 3663091), (67, 328038), (134, 164019), (201, 109346), (402, 54673)]