21307998

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{9521}}^1$

素因数の和:9899

約数の個数: 16

約数和(自身を含む): 42734736

約数和(自身を除く): 21426738

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 9521, 19042, 28563, 57126, 3551333, 7102666, 10653999, 21307998]

約数ペア:

[(1, 21307998), (2, 10653999), (3, 7102666), (6, 3551333), (373, 57126), (746, 28563), (1119, 19042), (2238, 9521)]