21559986

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{57037}}^1$

素因数の和:57055

約数の個数: 32

約数和(自身を含む): 54756480

約数和(自身を除く): 33196494

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 57037, 114074, 171111, 342222, 399259, 513333, 798518, 1026666, 1197777, 1539999, 2395554, 3079998, 3593331, 7186662, 10779993, 21559986]

約数ペア:

[(1, 21559986), (2, 10779993), (3, 7186662), (6, 3593331), (7, 3079998), (9, 2395554), (14, 1539999), (18, 1197777), (21, 1026666), (27, 798518), (42, 513333), (54, 399259), (63, 342222), (126, 171111), (189, 114074), (378, 57037)]