21066318

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1429}}^1$

素因数の和:1463

約数の個数: 80

約数和(自身を含む): 58138080

約数和(自身を除く): 37071762

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, 182, 189, 234, 273, 351, 378, 546, 567, 702, 819, 1053, 1134, 1429, 1638, 2106, 2457, 2858, 4287, 4914, 7371, 8574, 10003, 12861, 14742, 18577, 20006, 25722, 30009, 37154, 38583, 55731, 60018, 77166, 90027, 111462, 115749, 130039, 167193, 180054, 231498, 260078, 270081, 334386, 390117, 501579, 540162, 780234, 810243, 1003158, 1170351, 1504737, 1620486, 2340702, 3009474, 3511053, 7022106, 10533159, 21066318]

約数ペア:

[(1, 21066318), (2, 10533159), (3, 7022106), (6, 3511053), (7, 3009474), (9, 2340702), (13, 1620486), (14, 1504737), (18, 1170351), (21, 1003158), (26, 810243), (27, 780234), (39, 540162), (42, 501579), (54, 390117), (63, 334386), (78, 270081), (81, 260078), (91, 231498), (117, 180054), (126, 167193), (162, 130039), (182, 115749), (189, 111462), (234, 90027), (273, 77166), (351, 60018), (378, 55731), (546, 38583), (567, 37154), (702, 30009), (819, 25722), (1053, 20006), (1134, 18577), (1429, 14742), (1638, 12861), (2106, 10003), (2457, 8574), (2858, 7371), (4287, 4914)]