21084168

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{3061}}^1$

素因数の和:3118

約数の個数: 64

約数和(自身を含む): 61729920

約数和(自身を除く): 40645752

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 123, 164, 168, 246, 287, 328, 492, 574, 861, 984, 1148, 1722, 2296, 3061, 3444, 6122, 6888, 9183, 12244, 18366, 21427, 24488, 36732, 42854, 64281, 73464, 85708, 125501, 128562, 171416, 251002, 257124, 376503, 502004, 514248, 753006, 878507, 1004008, 1506012, 1757014, 2635521, 3012024, 3514028, 5271042, 7028056, 10542084, 21084168]

約数ペア:

[(1, 21084168), (2, 10542084), (3, 7028056), (4, 5271042), (6, 3514028), (7, 3012024), (8, 2635521), (12, 1757014), (14, 1506012), (21, 1004008), (24, 878507), (28, 753006), (41, 514248), (42, 502004), (56, 376503), (82, 257124), (84, 251002), (123, 171416), (164, 128562), (168, 125501), (246, 85708), (287, 73464), (328, 64281), (492, 42854), (574, 36732), (861, 24488), (984, 21427), (1148, 18366), (1722, 12244), (2296, 9183), (3061, 6888), (3444, 6122)]