21237256

素因数分解:

$2^3\times {\mathrm{1171}}^1\times {\mathrm{2267}}^1$

素因数の和:3444

約数の個数: 16

約数和(自身を含む): 39871440

約数和(自身を除く): 18634184

約数列:

[1, 2, 4, 8, 1171, 2267, 2342, 4534, 4684, 9068, 9368, 18136, 2654657, 5309314, 10618628, 21237256]

約数ペア:

[(1, 21237256), (2, 10618628), (4, 5309314), (8, 2654657), (1171, 18136), (2267, 9368), (2342, 9068), (4534, 4684)]