21000815472

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{10853}}^1$

素因数の和:11327

約数の個数: 160

約数和(自身を含む): 66928716288

約数和(自身を除く): 45927900816

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 39, 42, 48, 52, 56, 78, 84, 91, 104, 112, 156, 168, 182, 208, 273, 312, 336, 364, 443, 546, 624, 728, 886, 1092, 1329, 1456, 1772, 2184, 2658, 3101, 3544, 4368, 5316, 5759, 6202, 7088, 9303, 10632, 10853, 11518, 12404, 17277, 18606, 21264, 21706, 23036, 24808, 32559, 34554, 37212, 40313, 43412, 46072, 49616, 65118, 69108, 74424, 75971, 80626, 86824, 92144, 120939, 130236, 138216, 141089, 148848, 151942, 161252, 173648, 227913, 241878, 260472, 276432, 282178, 303884, 322504, 423267, 455826, 483756, 520944, 564356, 607768, 645008, 846534, 911652, 967512, 987623, 1128712, 1215536, 1693068, 1823304, 1935024, 1975246, 2257424, 2962869, 3386136, 3646608, 3950492, 4807879, 5925738, 6772272, 7900984, 9615758, 11851476, 14423637, 15801968, 19231516, 23702952, 28847274, 33655153, 38463032, 47405904, 57694548, 62502427, 67310306, 76926064, 100965459, 115389096, 125004854, 134620612, 187507281, 201930918, 230778192, 250009708, 269241224, 375014562, 403861836, 437516989, 500019416, 538482448, 750029124, 807723672, 875033978, 1000038832, 1312550967, 1500058248, 1615447344, 1750067956, 2625101934, 3000116496, 3500135912, 5250203868, 7000271824, 10500407736, 21000815472]

約数ペア:

[(1, 21000815472), (2, 10500407736), (3, 7000271824), (4, 5250203868), (6, 3500135912), (7, 3000116496), (8, 2625101934), (12, 1750067956), (13, 1615447344), (14, 1500058248), (16, 1312550967), (21, 1000038832), (24, 875033978), (26, 807723672), (28, 750029124), (39, 538482448), (42, 500019416), (48, 437516989), (52, 403861836), (56, 375014562), (78, 269241224), (84, 250009708), (91, 230778192), (104, 201930918), (112, 187507281), (156, 134620612), (168, 125004854), (182, 115389096), (208, 100965459), (273, 76926064), (312, 67310306), (336, 62502427), (364, 57694548), (443, 47405904), (546, 38463032), (624, 33655153), (728, 28847274), (886, 23702952), (1092, 19231516), (1329, 15801968), (1456, 14423637), (1772, 11851476), (2184, 9615758), (2658, 7900984), (3101, 6772272), (3544, 5925738), (4368, 4807879), (5316, 3950492), (5759, 3646608), (6202, 3386136), (7088, 2962869), (9303, 2257424), (10632, 1975246), (10853, 1935024), (11518, 1823304), (12404, 1693068), (17277, 1215536), (18606, 1128712), (21264, 987623), (21706, 967512), (23036, 911652), (24808, 846534), (32559, 645008), (34554, 607768), (37212, 564356), (40313, 520944), (43412, 483756), (46072, 455826), (49616, 423267), (65118, 322504), (69108, 303884), (74424, 282178), (75971, 276432), (80626, 260472), (86824, 241878), (92144, 227913), (120939, 173648), (130236, 161252), (138216, 151942), (141089, 148848)]