21082446

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 144

約数和(自身を含む): 60501168

約数和(自身を除く): 39418722

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 41, 42, 49, 53, 63, 66, 77, 82, 98, 99, 106, 123, 126, 147, 154, 159, 198, 231, 246, 287, 294, 318, 369, 371, 441, 451, 462, 477, 539, 574, 583, 693, 738, 742, 861, 882, 902, 954, 1078, 1113, 1166, 1353, 1386, 1617, 1722, 1749, 2009, 2173, 2226, 2583, 2597, 2706, 3157, 3234, 3339, 3498, 4018, 4059, 4081, 4346, 4851, 5166, 5194, 5247, 6027, 6314, 6519, 6678, 7791, 8118, 8162, 9471, 9702, 10494, 12054, 12243, 13038, 15211, 15582, 18081, 18942, 19557, 22099, 23373, 23903, 24486, 28413, 28567, 30422, 36162, 36729, 39114, 44198, 45633, 46746, 47806, 56826, 57134, 66297, 71709, 73458, 85701, 91266, 106477, 132594, 136899, 143418, 167321, 171402, 198891, 212954, 215127, 257103, 273798, 319431, 334642, 397782, 430254, 501963, 514206, 638862, 958293, 1003926, 1171247, 1505889, 1916586, 2342494, 3011778, 3513741, 7027482, 10541223, 21082446]

約数ペア:

[(1, 21082446), (2, 10541223), (3, 7027482), (6, 3513741), (7, 3011778), (9, 2342494), (11, 1916586), (14, 1505889), (18, 1171247), (21, 1003926), (22, 958293), (33, 638862), (41, 514206), (42, 501963), (49, 430254), (53, 397782), (63, 334642), (66, 319431), (77, 273798), (82, 257103), (98, 215127), (99, 212954), (106, 198891), (123, 171402), (126, 167321), (147, 143418), (154, 136899), (159, 132594), (198, 106477), (231, 91266), (246, 85701), (287, 73458), (294, 71709), (318, 66297), (369, 57134), (371, 56826), (441, 47806), (451, 46746), (462, 45633), (477, 44198), (539, 39114), (574, 36729), (583, 36162), (693, 30422), (738, 28567), (742, 28413), (861, 24486), (882, 23903), (902, 23373), (954, 22099), (1078, 19557), (1113, 18942), (1166, 18081), (1353, 15582), (1386, 15211), (1617, 13038), (1722, 12243), (1749, 12054), (2009, 10494), (2173, 9702), (2226, 9471), (2583, 8162), (2597, 8118), (2706, 7791), (3157, 6678), (3234, 6519), (3339, 6314), (3498, 6027), (4018, 5247), (4059, 5194), (4081, 5166), (4346, 4851)]