21380052

素因数分解:

$2^2\times 3^1\times {\mathrm{113}}^1\times {\mathrm{15767}}^1$

素因数の和:15887

約数の個数: 24

約数和(自身を含む): 50331456

約数和(自身を除く): 28951404

約数列:

[1, 2, 3, 4, 6, 12, 113, 226, 339, 452, 678, 1356, 15767, 31534, 47301, 63068, 94602, 189204, 1781671, 3563342, 5345013, 7126684, 10690026, 21380052]

約数ペア:

[(1, 21380052), (2, 10690026), (3, 7126684), (4, 5345013), (6, 3563342), (12, 1781671), (113, 189204), (226, 94602), (339, 63068), (452, 47301), (678, 31534), (1356, 15767)]