1821623706

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{43}}^2\times {\mathrm{1117}}^1$

素因数の和:1225

約数の個数: 108

約数和(自身を含む): 4704699402

約数和(自身を除く): 2883075696

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 49, 63, 86, 98, 126, 129, 147, 258, 294, 301, 387, 441, 602, 774, 882, 903, 1117, 1806, 1849, 2107, 2234, 2709, 3351, 3698, 4214, 5418, 5547, 6321, 6702, 7819, 10053, 11094, 12642, 12943, 15638, 16641, 18963, 20106, 23457, 25886, 33282, 37926, 38829, 46914, 48031, 54733, 70371, 77658, 90601, 96062, 109466, 116487, 140742, 144093, 164199, 181202, 232974, 271803, 288186, 328398, 336217, 432279, 492597, 543606, 672434, 815409, 864558, 985194, 1008651, 1630818, 2017302, 2065333, 2353519, 3025953, 4130666, 4707038, 6051906, 6195999, 7060557, 12391998, 14121114, 14457331, 18587997, 21181671, 28914662, 37175994, 42363342, 43371993, 86743986, 101201317, 130115979, 202402634, 260231958, 303603951, 607207902, 910811853, 1821623706]

約数ペア:

[(1, 1821623706), (2, 910811853), (3, 607207902), (6, 303603951), (7, 260231958), (9, 202402634), (14, 130115979), (18, 101201317), (21, 86743986), (42, 43371993), (43, 42363342), (49, 37175994), (63, 28914662), (86, 21181671), (98, 18587997), (126, 14457331), (129, 14121114), (147, 12391998), (258, 7060557), (294, 6195999), (301, 6051906), (387, 4707038), (441, 4130666), (602, 3025953), (774, 2353519), (882, 2065333), (903, 2017302), (1117, 1630818), (1806, 1008651), (1849, 985194), (2107, 864558), (2234, 815409), (2709, 672434), (3351, 543606), (3698, 492597), (4214, 432279), (5418, 336217), (5547, 328398), (6321, 288186), (6702, 271803), (7819, 232974), (10053, 181202), (11094, 164199), (12642, 144093), (12943, 140742), (15638, 116487), (16641, 109466), (18963, 96062), (20106, 90601), (23457, 77658), (25886, 70371), (33282, 54733), (37926, 48031), (38829, 46914)]