16721712

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{313}}^1$

素因数の和:387

約数の個数: 120

約数和(自身を含む): 54666144

約数和(自身を除く): 37944432

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 53, 56, 63, 72, 84, 106, 112, 126, 144, 159, 168, 212, 252, 313, 318, 336, 371, 424, 477, 504, 626, 636, 742, 848, 939, 954, 1008, 1113, 1252, 1272, 1484, 1878, 1908, 2191, 2226, 2504, 2544, 2817, 2968, 3339, 3756, 3816, 4382, 4452, 5008, 5634, 5936, 6573, 6678, 7512, 7632, 8764, 8904, 11268, 13146, 13356, 15024, 16589, 17528, 17808, 19719, 22536, 26292, 26712, 33178, 35056, 39438, 45072, 49767, 52584, 53424, 66356, 78876, 99534, 105168, 116123, 132712, 149301, 157752, 199068, 232246, 265424, 298602, 315504, 348369, 398136, 464492, 597204, 696738, 796272, 928984, 1045107, 1194408, 1393476, 1857968, 2090214, 2388816, 2786952, 4180428, 5573904, 8360856, 16721712]

約数ペア:

[(1, 16721712), (2, 8360856), (3, 5573904), (4, 4180428), (6, 2786952), (7, 2388816), (8, 2090214), (9, 1857968), (12, 1393476), (14, 1194408), (16, 1045107), (18, 928984), (21, 796272), (24, 696738), (28, 597204), (36, 464492), (42, 398136), (48, 348369), (53, 315504), (56, 298602), (63, 265424), (72, 232246), (84, 199068), (106, 157752), (112, 149301), (126, 132712), (144, 116123), (159, 105168), (168, 99534), (212, 78876), (252, 66356), (313, 53424), (318, 52584), (336, 49767), (371, 45072), (424, 39438), (477, 35056), (504, 33178), (626, 26712), (636, 26292), (742, 22536), (848, 19719), (939, 17808), (954, 17528), (1008, 16589), (1113, 15024), (1252, 13356), (1272, 13146), (1484, 11268), (1878, 8904), (1908, 8764), (2191, 7632), (2226, 7512), (2504, 6678), (2544, 6573), (2817, 5936), (2968, 5634), (3339, 5008), (3756, 4452), (3816, 4382)]