21539070

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{191}}^1$

素因数の和:390

約数の個数: 96

約数和(自身を含む): 64696320

約数和(自身を除く): 43157250

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 179, 191, 210, 315, 358, 382, 537, 573, 630, 895, 955, 1074, 1146, 1253, 1337, 1611, 1719, 1790, 1910, 2506, 2674, 2685, 2865, 3222, 3438, 3759, 4011, 5370, 5730, 6265, 6685, 7518, 8022, 8055, 8595, 11277, 12033, 12530, 13370, 16110, 17190, 18795, 20055, 22554, 24066, 34189, 37590, 40110, 56385, 60165, 68378, 102567, 112770, 120330, 170945, 205134, 239323, 307701, 341890, 478646, 512835, 615402, 717969, 1025670, 1196615, 1435938, 1538505, 2153907, 2393230, 3077010, 3589845, 4307814, 7179690, 10769535, 21539070]

約数ペア:

[(1, 21539070), (2, 10769535), (3, 7179690), (5, 4307814), (6, 3589845), (7, 3077010), (9, 2393230), (10, 2153907), (14, 1538505), (15, 1435938), (18, 1196615), (21, 1025670), (30, 717969), (35, 615402), (42, 512835), (45, 478646), (63, 341890), (70, 307701), (90, 239323), (105, 205134), (126, 170945), (179, 120330), (191, 112770), (210, 102567), (315, 68378), (358, 60165), (382, 56385), (537, 40110), (573, 37590), (630, 34189), (895, 24066), (955, 22554), (1074, 20055), (1146, 18795), (1253, 17190), (1337, 16110), (1611, 13370), (1719, 12530), (1790, 12033), (1910, 11277), (2506, 8595), (2674, 8055), (2685, 8022), (2865, 7518), (3222, 6685), (3438, 6265), (3759, 5730), (4011, 5370)]