16405956

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{21701}}^1$

素因数の和:21721

約数の個数: 48

約数和(自身を含む): 48612480

約数和(自身を除く): 32206524

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 21701, 43402, 65103, 86804, 130206, 151907, 195309, 260412, 303814, 390618, 455721, 585927, 607628, 781236, 911442, 1171854, 1367163, 1822884, 2343708, 2734326, 4101489, 5468652, 8202978, 16405956]

約数ペア:

[(1, 16405956), (2, 8202978), (3, 5468652), (4, 4101489), (6, 2734326), (7, 2343708), (9, 1822884), (12, 1367163), (14, 1171854), (18, 911442), (21, 781236), (27, 607628), (28, 585927), (36, 455721), (42, 390618), (54, 303814), (63, 260412), (84, 195309), (108, 151907), (126, 130206), (189, 86804), (252, 65103), (378, 43402), (756, 21701)]