21925528

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{63737}}^1$

素因数の和:63786

約数の個数: 16

約数和(自身を含む): 42067080

約数和(自身を除く): 20141552

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 63737, 127474, 254948, 509896, 2740691, 5481382, 10962764, 21925528]

約数ペア:

[(1, 21925528), (2, 10962764), (4, 5481382), (8, 2740691), (43, 509896), (86, 254948), (172, 127474), (344, 63737)]