21921984

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{5437}}^1$

素因数の和:5462

約数の個数: 84

約数和(自身を含む): 71825104

約数和(自身を除く): 49903120

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5437, 10874, 16311, 21748, 32622, 38059, 43496, 48933, 65244, 76118, 86992, 97866, 114177, 130488, 152236, 173984, 195732, 228354, 260976, 304472, 342531, 347968, 391464, 456708, 521952, 608944, 685062, 782928, 913416, 1043904, 1217888, 1370124, 1565856, 1826832, 2435776, 2740248, 3131712, 3653664, 5480496, 7307328, 10960992, 21921984]

約数ペア:

[(1, 21921984), (2, 10960992), (3, 7307328), (4, 5480496), (6, 3653664), (7, 3131712), (8, 2740248), (9, 2435776), (12, 1826832), (14, 1565856), (16, 1370124), (18, 1217888), (21, 1043904), (24, 913416), (28, 782928), (32, 685062), (36, 608944), (42, 521952), (48, 456708), (56, 391464), (63, 347968), (64, 342531), (72, 304472), (84, 260976), (96, 228354), (112, 195732), (126, 173984), (144, 152236), (168, 130488), (192, 114177), (224, 97866), (252, 86992), (288, 76118), (336, 65244), (448, 48933), (504, 43496), (576, 38059), (672, 32622), (1008, 21748), (1344, 16311), (2016, 10874), (4032, 5437)]