21864528

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{109}}^1\times {\mathrm{199}}^1$

素因数の和:329

約数の個数: 120

約数和(自身を含む): 70928000

約数和(自身を除く): 49063472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 109, 112, 126, 144, 168, 199, 218, 252, 327, 336, 398, 436, 504, 597, 654, 763, 796, 872, 981, 1008, 1194, 1308, 1393, 1526, 1592, 1744, 1791, 1962, 2289, 2388, 2616, 2786, 3052, 3184, 3582, 3924, 4179, 4578, 4776, 5232, 5572, 6104, 6867, 7164, 7848, 8358, 9156, 9552, 11144, 12208, 12537, 13734, 14328, 15696, 16716, 18312, 21691, 22288, 25074, 27468, 28656, 33432, 36624, 43382, 50148, 54936, 65073, 66864, 86764, 100296, 109872, 130146, 151837, 173528, 195219, 200592, 260292, 303674, 347056, 390438, 455511, 520584, 607348, 780876, 911022, 1041168, 1214696, 1366533, 1561752, 1822044, 2429392, 2733066, 3123504, 3644088, 5466132, 7288176, 10932264, 21864528]

約数ペア:

[(1, 21864528), (2, 10932264), (3, 7288176), (4, 5466132), (6, 3644088), (7, 3123504), (8, 2733066), (9, 2429392), (12, 1822044), (14, 1561752), (16, 1366533), (18, 1214696), (21, 1041168), (24, 911022), (28, 780876), (36, 607348), (42, 520584), (48, 455511), (56, 390438), (63, 347056), (72, 303674), (84, 260292), (109, 200592), (112, 195219), (126, 173528), (144, 151837), (168, 130146), (199, 109872), (218, 100296), (252, 86764), (327, 66864), (336, 65073), (398, 54936), (436, 50148), (504, 43382), (597, 36624), (654, 33432), (763, 28656), (796, 27468), (872, 25074), (981, 22288), (1008, 21691), (1194, 18312), (1308, 16716), (1393, 15696), (1526, 14328), (1592, 13734), (1744, 12537), (1791, 12208), (1962, 11144), (2289, 9552), (2388, 9156), (2616, 8358), (2786, 7848), (3052, 7164), (3184, 6867), (3582, 6104), (3924, 5572), (4179, 5232), (4578, 4776)]