21538154

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5659}}^1$

素因数の和:5845

約数の個数: 16

約数和(自身を含む): 35454240

約数和(自身を除く): 13916086

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5659, 11318, 62249, 124498, 979007, 1958014, 10769077, 21538154]

約数ペア:

[(1, 21538154), (2, 10769077), (11, 1958014), (22, 979007), (173, 124498), (346, 62249), (1903, 11318), (3806, 5659)]