21042304

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5303}}^1$

素因数の和:5348

約数の個数: 32

約数和(自身を含む): 43280640

約数和(自身を除く): 22238336

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5303, 10606, 21212, 42424, 84848, 164393, 169696, 328786, 339392, 657572, 678784, 1315144, 2630288, 5260576, 10521152, 21042304]

約数ペア:

[(1, 21042304), (2, 10521152), (4, 5260576), (8, 2630288), (16, 1315144), (31, 678784), (32, 657572), (62, 339392), (64, 328786), (124, 169696), (128, 164393), (248, 84848), (496, 42424), (992, 21212), (1984, 10606), (3968, 5303)]