21053857

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:408

約数の個数: 16

約数和(自身を含む): 23571072

約数和(自身を除く): 2517215

約数列:

[1, 11, 73, 157, 167, 803, 1727, 1837, 11461, 12191, 26219, 126071, 134101, 288409, 1913987, 21053857]

約数ペア:

[(1, 21053857), (11, 1913987), (73, 288409), (157, 134101), (167, 126071), (803, 26219), (1727, 12191), (1837, 11461)]