21009458

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{1889}}^1$

素因数の和:2041

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 11377582

約数列:

[1, 2, 67, 83, 134, 166, 1889, 3778, 5561, 11122, 126563, 156787, 253126, 313574, 10504729, 21009458]

約数ペア:

[(1, 21009458), (2, 10504729), (67, 313574), (83, 253126), (134, 156787), (166, 126563), (1889, 11122), (3778, 5561)]