21555913680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4276967}}^1$

素因数の和:4276993

約数の個数: 120

約数和(自身を含む): 82733668992

約数和(自身を除く): 61177755312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 4276967, 8553934, 12830901, 17107868, 21384835, 25661802, 29938769, 34215736, 38492703, 42769670, 51323604, 59877538, 64154505, 68431472, 76985406, 85539340, 89816307, 102647208, 119755076, 128309010, 149693845, 153970812, 171078680, 179632614, 192463515, 205294416, 239510152, 256618020, 269448921, 299387690, 307941624, 342157360, 359265228, 384927030, 449081535, 479020304, 513236040, 538897842, 598775380, 615883248, 718530456, 769854060, 898163070, 1026472080, 1077795684, 1197550760, 1347244605, 1437060912, 1539708120, 1796326140, 2155591368, 2395101520, 2694489210, 3079416240, 3592652280, 4311182736, 5388978420, 7185304560, 10777956840, 21555913680]

約数ペア:

[(1, 21555913680), (2, 10777956840), (3, 7185304560), (4, 5388978420), (5, 4311182736), (6, 3592652280), (7, 3079416240), (8, 2694489210), (9, 2395101520), (10, 2155591368), (12, 1796326140), (14, 1539708120), (15, 1437060912), (16, 1347244605), (18, 1197550760), (20, 1077795684), (21, 1026472080), (24, 898163070), (28, 769854060), (30, 718530456), (35, 615883248), (36, 598775380), (40, 538897842), (42, 513236040), (45, 479020304), (48, 449081535), (56, 384927030), (60, 359265228), (63, 342157360), (70, 307941624), (72, 299387690), (80, 269448921), (84, 256618020), (90, 239510152), (105, 205294416), (112, 192463515), (120, 179632614), (126, 171078680), (140, 153970812), (144, 149693845), (168, 128309010), (180, 119755076), (210, 102647208), (240, 89816307), (252, 85539340), (280, 76985406), (315, 68431472), (336, 64154505), (360, 59877538), (420, 51323604), (504, 42769670), (560, 38492703), (630, 34215736), (720, 29938769), (840, 25661802), (1008, 21384835), (1260, 17107868), (1680, 12830901), (2520, 8553934), (5040, 4276967)]