21887964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{86857}}^1$

素因数の和:86874

約数の個数: 36

約数和(自身を含む): 63232624

約数和(自身を除く): 41344660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 86857, 173714, 260571, 347428, 521142, 607999, 781713, 1042284, 1215998, 1563426, 1823997, 2431996, 3126852, 3647994, 5471991, 7295988, 10943982, 21887964]

約数ペア:

[(1, 21887964), (2, 10943982), (3, 7295988), (4, 5471991), (6, 3647994), (7, 3126852), (9, 2431996), (12, 1823997), (14, 1563426), (18, 1215998), (21, 1042284), (28, 781713), (36, 607999), (42, 521142), (63, 347428), (84, 260571), (126, 173714), (252, 86857)]