21989248

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{4643}}^1$

素因数の和:4694

約数の個数: 32

約数和(自身を含む): 45000360

約数和(自身を除く): 23011112

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 128, 148, 296, 592, 1184, 2368, 4643, 4736, 9286, 18572, 37144, 74288, 148576, 171791, 297152, 343582, 594304, 687164, 1374328, 2748656, 5497312, 10994624, 21989248]

約数ペア:

[(1, 21989248), (2, 10994624), (4, 5497312), (8, 2748656), (16, 1374328), (32, 687164), (37, 594304), (64, 343582), (74, 297152), (128, 171791), (148, 148576), (296, 74288), (592, 37144), (1184, 18572), (2368, 9286), (4643, 4736)]