21428064

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{1181}}^1$

素因数の和:1210

約数の個数: 120

約数和(自身を含む): 72083088

約数和(自身を除く): 50655024

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 54, 56, 63, 72, 81, 84, 96, 108, 112, 126, 144, 162, 168, 189, 216, 224, 252, 288, 324, 336, 378, 432, 504, 567, 648, 672, 756, 864, 1008, 1134, 1181, 1296, 1512, 2016, 2268, 2362, 2592, 3024, 3543, 4536, 4724, 6048, 7086, 8267, 9072, 9448, 10629, 14172, 16534, 18144, 18896, 21258, 24801, 28344, 31887, 33068, 37792, 42516, 49602, 56688, 63774, 66136, 74403, 85032, 95661, 99204, 113376, 127548, 132272, 148806, 170064, 191322, 198408, 223209, 255096, 264544, 297612, 340128, 382644, 396816, 446418, 510192, 595224, 669627, 765288, 793632, 892836, 1020384, 1190448, 1339254, 1530576, 1785672, 2380896, 2678508, 3061152, 3571344, 5357016, 7142688, 10714032, 21428064]

約数ペア:

[(1, 21428064), (2, 10714032), (3, 7142688), (4, 5357016), (6, 3571344), (7, 3061152), (8, 2678508), (9, 2380896), (12, 1785672), (14, 1530576), (16, 1339254), (18, 1190448), (21, 1020384), (24, 892836), (27, 793632), (28, 765288), (32, 669627), (36, 595224), (42, 510192), (48, 446418), (54, 396816), (56, 382644), (63, 340128), (72, 297612), (81, 264544), (84, 255096), (96, 223209), (108, 198408), (112, 191322), (126, 170064), (144, 148806), (162, 132272), (168, 127548), (189, 113376), (216, 99204), (224, 95661), (252, 85032), (288, 74403), (324, 66136), (336, 63774), (378, 56688), (432, 49602), (504, 42516), (567, 37792), (648, 33068), (672, 31887), (756, 28344), (864, 24801), (1008, 21258), (1134, 18896), (1181, 18144), (1296, 16534), (1512, 14172), (2016, 10629), (2268, 9448), (2362, 9072), (2592, 8267), (3024, 7086), (3543, 6048), (4536, 4724)]