21000377034

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{109579}}^1$

素因数の和:109626

約数の個数: 120

約数和(自身を含む): 58234318560

約数和(自身を除く): 37233941526

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 81, 91, 117, 126, 162, 169, 182, 189, 234, 273, 338, 351, 378, 507, 546, 567, 702, 819, 1014, 1053, 1134, 1183, 1521, 1638, 2106, 2366, 2457, 3042, 3549, 4563, 4914, 7098, 7371, 9126, 10647, 13689, 14742, 21294, 27378, 31941, 63882, 95823, 109579, 191646, 219158, 328737, 657474, 767053, 986211, 1424527, 1534106, 1972422, 2301159, 2849054, 2958633, 4273581, 4602318, 5917266, 6903477, 8547162, 8875899, 9971689, 12820743, 13806954, 17751798, 18518851, 19943378, 20710431, 25641486, 29915067, 37037702, 38462229, 41420862, 55556553, 59830134, 62131293, 76924458, 89745201, 111113106, 115386687, 124262586, 129631957, 166669659, 179490402, 230773374, 259263914, 269235603, 333339318, 388895871, 500008977, 538471206, 777791742, 807706809, 1000017954, 1166687613, 1500026931, 1615413618, 2333375226, 3000053862, 3500062839, 7000125678, 10500188517, 21000377034]

約数ペア:

[(1, 21000377034), (2, 10500188517), (3, 7000125678), (6, 3500062839), (7, 3000053862), (9, 2333375226), (13, 1615413618), (14, 1500026931), (18, 1166687613), (21, 1000017954), (26, 807706809), (27, 777791742), (39, 538471206), (42, 500008977), (54, 388895871), (63, 333339318), (78, 269235603), (81, 259263914), (91, 230773374), (117, 179490402), (126, 166669659), (162, 129631957), (169, 124262586), (182, 115386687), (189, 111113106), (234, 89745201), (273, 76924458), (338, 62131293), (351, 59830134), (378, 55556553), (507, 41420862), (546, 38462229), (567, 37037702), (702, 29915067), (819, 25641486), (1014, 20710431), (1053, 19943378), (1134, 18518851), (1183, 17751798), (1521, 13806954), (1638, 12820743), (2106, 9971689), (2366, 8875899), (2457, 8547162), (3042, 6903477), (3549, 5917266), (4563, 4602318), (4914, 4273581), (7098, 2958633), (7371, 2849054), (9126, 2301159), (10647, 1972422), (13689, 1534106), (14742, 1424527), (21294, 986211), (27378, 767053), (31941, 657474), (63882, 328737), (95823, 219158), (109579, 191646)]