21456971536

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{13007}}^1$

素因数の和:13149

約数の個数: 160

約数和(自身を含む): 56364392448

約数和(自身を除く): 34907420912

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 103, 104, 112, 143, 154, 176, 182, 206, 208, 286, 308, 364, 412, 572, 616, 721, 728, 824, 1001, 1133, 1144, 1232, 1339, 1442, 1456, 1648, 2002, 2266, 2288, 2678, 2884, 4004, 4532, 5356, 5768, 7931, 8008, 9064, 9373, 10712, 11536, 13007, 14729, 15862, 16016, 18128, 18746, 21424, 26014, 29458, 31724, 37492, 52028, 58916, 63448, 74984, 91049, 103103, 104056, 117832, 126896, 143077, 149968, 169091, 182098, 206206, 208112, 235664, 286154, 338182, 364196, 412412, 572308, 676364, 728392, 824824, 1001539, 1144616, 1183637, 1339721, 1352728, 1456784, 1649648, 1860001, 2003078, 2289232, 2367274, 2679442, 2705456, 3720002, 4006156, 4734548, 5358884, 7440004, 8012312, 9378047, 9469096, 10717768, 13020007, 14736931, 14880008, 16024624, 17416373, 18756094, 18938192, 21435536, 26040014, 29473862, 29760016, 34832746, 37512188, 52080028, 58947724, 69665492, 75024376, 103158517, 104160056, 117895448, 121914611, 139330984, 150048752, 191580103, 206317034, 208320112, 235790896, 243829222, 278661968, 383160206, 412634068, 487658444, 766320412, 825268136, 975316888, 1341060721, 1532640824, 1650536272, 1950633776, 2682121442, 3065281648, 5364242884, 10728485768, 21456971536]

約数ペア:

[(1, 21456971536), (2, 10728485768), (4, 5364242884), (7, 3065281648), (8, 2682121442), (11, 1950633776), (13, 1650536272), (14, 1532640824), (16, 1341060721), (22, 975316888), (26, 825268136), (28, 766320412), (44, 487658444), (52, 412634068), (56, 383160206), (77, 278661968), (88, 243829222), (91, 235790896), (103, 208320112), (104, 206317034), (112, 191580103), (143, 150048752), (154, 139330984), (176, 121914611), (182, 117895448), (206, 104160056), (208, 103158517), (286, 75024376), (308, 69665492), (364, 58947724), (412, 52080028), (572, 37512188), (616, 34832746), (721, 29760016), (728, 29473862), (824, 26040014), (1001, 21435536), (1133, 18938192), (1144, 18756094), (1232, 17416373), (1339, 16024624), (1442, 14880008), (1456, 14736931), (1648, 13020007), (2002, 10717768), (2266, 9469096), (2288, 9378047), (2678, 8012312), (2884, 7440004), (4004, 5358884), (4532, 4734548), (5356, 4006156), (5768, 3720002), (7931, 2705456), (8008, 2679442), (9064, 2367274), (9373, 2289232), (10712, 2003078), (11536, 1860001), (13007, 1649648), (14729, 1456784), (15862, 1352728), (16016, 1339721), (18128, 1183637), (18746, 1144616), (21424, 1001539), (26014, 824824), (29458, 728392), (31724, 676364), (37492, 572308), (52028, 412412), (58916, 364196), (63448, 338182), (74984, 286154), (91049, 235664), (103103, 208112), (104056, 206206), (117832, 182098), (126896, 169091), (143077, 149968)]