21487928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{34883}}^1$

素因数の和:34907

約数の個数: 32

約数和(自身を含む): 50232960

約数和(自身を除く): 28745032

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 308, 616, 34883, 69766, 139532, 244181, 279064, 383713, 488362, 767426, 976724, 1534852, 1953448, 2685991, 3069704, 5371982, 10743964, 21487928]

約数ペア:

[(1, 21487928), (2, 10743964), (4, 5371982), (7, 3069704), (8, 2685991), (11, 1953448), (14, 1534852), (22, 976724), (28, 767426), (44, 488362), (56, 383713), (77, 279064), (88, 244181), (154, 139532), (308, 69766), (616, 34883)]