21750213

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1823}}^1$

素因数の和:1964

約数の個数: 16

約数和(自身を含む): 30030336

約数和(自身を除く): 8280123

約数列:

[1, 3, 41, 97, 123, 291, 1823, 3977, 5469, 11931, 74743, 176831, 224229, 530493, 7250071, 21750213]

約数ペア:

[(1, 21750213), (3, 7250071), (41, 530493), (97, 224229), (123, 176831), (291, 74743), (1823, 11931), (3977, 5469)]