21607152

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{601}}^1$

素因数の和:726

約数の個数: 80

約数和(自身を含む): 64495872

約数和(自身を除く): 42888720

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 107, 112, 168, 214, 321, 336, 428, 601, 642, 749, 856, 1202, 1284, 1498, 1712, 1803, 2247, 2404, 2568, 2996, 3606, 4207, 4494, 4808, 5136, 5992, 7212, 8414, 8988, 9616, 11984, 12621, 14424, 16828, 17976, 25242, 28848, 33656, 35952, 50484, 64307, 67312, 100968, 128614, 192921, 201936, 257228, 385842, 450149, 514456, 771684, 900298, 1028912, 1350447, 1543368, 1800596, 2700894, 3086736, 3601192, 5401788, 7202384, 10803576, 21607152]

約数ペア:

[(1, 21607152), (2, 10803576), (3, 7202384), (4, 5401788), (6, 3601192), (7, 3086736), (8, 2700894), (12, 1800596), (14, 1543368), (16, 1350447), (21, 1028912), (24, 900298), (28, 771684), (42, 514456), (48, 450149), (56, 385842), (84, 257228), (107, 201936), (112, 192921), (168, 128614), (214, 100968), (321, 67312), (336, 64307), (428, 50484), (601, 35952), (642, 33656), (749, 28848), (856, 25242), (1202, 17976), (1284, 16828), (1498, 14424), (1712, 12621), (1803, 11984), (2247, 9616), (2404, 8988), (2568, 8414), (2996, 7212), (3606, 5992), (4207, 5136), (4494, 4808)]