21027228768

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61717}}^1$

素因数の和:61766

約数の個数: 216

約数和(自身を含む): 74000869488

約数和(自身を除く): 52973640720

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 32, 36, 39, 42, 48, 52, 56, 63, 72, 78, 84, 91, 96, 104, 112, 117, 126, 144, 156, 168, 169, 182, 208, 224, 234, 252, 273, 288, 312, 336, 338, 364, 416, 468, 504, 507, 546, 624, 672, 676, 728, 819, 936, 1008, 1014, 1092, 1183, 1248, 1352, 1456, 1521, 1638, 1872, 2016, 2028, 2184, 2366, 2704, 2912, 3042, 3276, 3549, 3744, 4056, 4368, 4732, 5408, 6084, 6552, 7098, 8112, 8736, 9464, 10647, 12168, 13104, 14196, 16224, 18928, 21294, 24336, 26208, 28392, 37856, 42588, 48672, 56784, 61717, 85176, 113568, 123434, 170352, 185151, 246868, 340704, 370302, 432019, 493736, 555453, 740604, 802321, 864038, 987472, 1110906, 1296057, 1481208, 1604642, 1728076, 1974944, 2221812, 2406963, 2592114, 2962416, 3209284, 3456152, 3888171, 4443624, 4813926, 5184228, 5616247, 5924832, 6418568, 6912304, 7220889, 7776342, 8887248, 9627852, 10368456, 10430173, 11232494, 12837136, 13824608, 14441778, 15552684, 16848741, 17774496, 19255704, 20736912, 20860346, 22464988, 25674272, 28883556, 31105368, 31290519, 33697482, 38511408, 41473824, 41720692, 44929976, 50546223, 57767112, 62210736, 62581038, 67394964, 73011211, 77022816, 83441384, 89859952, 93871557, 101092446, 115534224, 124421472, 125162076, 134789928, 146022422, 166882768, 179719904, 187743114, 202184892, 219033633, 231068448, 250324152, 269579856, 292044844, 333765536, 375486228, 404369784, 438067266, 500648304, 539159712, 584089688, 657100899, 750972456, 808739568, 876134532, 1001296608, 1168179376, 1314201798, 1501944912, 1617479136, 1752269064, 2336358752, 2628403596, 3003889824, 3504538128, 5256807192, 7009076256, 10513614384, 21027228768]

約数ペア:

[(1, 21027228768), (2, 10513614384), (3, 7009076256), (4, 5256807192), (6, 3504538128), (7, 3003889824), (8, 2628403596), (9, 2336358752), (12, 1752269064), (13, 1617479136), (14, 1501944912), (16, 1314201798), (18, 1168179376), (21, 1001296608), (24, 876134532), (26, 808739568), (28, 750972456), (32, 657100899), (36, 584089688), (39, 539159712), (42, 500648304), (48, 438067266), (52, 404369784), (56, 375486228), (63, 333765536), (72, 292044844), (78, 269579856), (84, 250324152), (91, 231068448), (96, 219033633), (104, 202184892), (112, 187743114), (117, 179719904), (126, 166882768), (144, 146022422), (156, 134789928), (168, 125162076), (169, 124421472), (182, 115534224), (208, 101092446), (224, 93871557), (234, 89859952), (252, 83441384), (273, 77022816), (288, 73011211), (312, 67394964), (336, 62581038), (338, 62210736), (364, 57767112), (416, 50546223), (468, 44929976), (504, 41720692), (507, 41473824), (546, 38511408), (624, 33697482), (672, 31290519), (676, 31105368), (728, 28883556), (819, 25674272), (936, 22464988), (1008, 20860346), (1014, 20736912), (1092, 19255704), (1183, 17774496), (1248, 16848741), (1352, 15552684), (1456, 14441778), (1521, 13824608), (1638, 12837136), (1872, 11232494), (2016, 10430173), (2028, 10368456), (2184, 9627852), (2366, 8887248), (2704, 7776342), (2912, 7220889), (3042, 6912304), (3276, 6418568), (3549, 5924832), (3744, 5616247), (4056, 5184228), (4368, 4813926), (4732, 4443624), (5408, 3888171), (6084, 3456152), (6552, 3209284), (7098, 2962416), (8112, 2592114), (8736, 2406963), (9464, 2221812), (10647, 1974944), (12168, 1728076), (13104, 1604642), (14196, 1481208), (16224, 1296057), (18928, 1110906), (21294, 987472), (24336, 864038), (26208, 802321), (28392, 740604), (37856, 555453), (42588, 493736), (48672, 432019), (56784, 370302), (61717, 340704), (85176, 246868), (113568, 185151), (123434, 170352)]