21857142

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{54371}}^1$

素因数の和:54443

約数の個数: 16

約数和(自身を含む): 44367552

約数和(自身を除く): 22510410

約数列:

[1, 2, 3, 6, 67, 134, 201, 402, 54371, 108742, 163113, 326226, 3642857, 7285714, 10928571, 21857142]

約数ペア:

[(1, 21857142), (2, 10928571), (3, 7285714), (6, 3642857), (67, 326226), (134, 163113), (201, 108742), (402, 54371)]