215964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{857}}^1$

素因数の和:874

約数の個数: 36

約数和(自身を含む): 624624

約数和(自身を除く): 408660

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 857, 1714, 2571, 3428, 5142, 5999, 7713, 10284, 11998, 15426, 17997, 23996, 30852, 35994, 53991, 71988, 107982, 215964]

約数ペア:

[(1, 215964), (2, 107982), (3, 71988), (4, 53991), (6, 35994), (7, 30852), (9, 23996), (12, 17997), (14, 15426), (18, 11998), (21, 10284), (28, 7713), (36, 5999), (42, 5142), (63, 3428), (84, 2571), (126, 1714), (252, 857)]