21375008

素因数分解:

$2^5\times {\mathrm{131}}^1\times {\mathrm{5099}}^1$

素因数の和:5240

約数の個数: 24

約数和(自身を含む): 42411600

約数和(自身を除く): 21036592

約数列:

[1, 2, 4, 8, 16, 32, 131, 262, 524, 1048, 2096, 4192, 5099, 10198, 20396, 40792, 81584, 163168, 667969, 1335938, 2671876, 5343752, 10687504, 21375008]

約数ペア:

[(1, 21375008), (2, 10687504), (4, 5343752), (8, 2671876), (16, 1335938), (32, 667969), (131, 163168), (262, 81584), (524, 40792), (1048, 20396), (2096, 10198), (4192, 5099)]