21285618

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{9511}}^1$

素因数の和:9889

約数の個数: 16

約数和(自身を含む): 42689856

約数和(自身を除く): 21404238

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 9511, 19022, 28533, 57066, 3547603, 7095206, 10642809, 21285618]

約数ペア:

[(1, 21285618), (2, 10642809), (3, 7095206), (6, 3547603), (373, 57066), (746, 28533), (1119, 19022), (2238, 9511)]