21870758

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17167}}^1$

素因数の和:17196

約数の個数: 24

約数和(自身を含む): 41100192

約数和(自身を除く): 19229434

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 17167, 34334, 120169, 223171, 240338, 446342, 841183, 1562197, 1682366, 3124394, 10935379, 21870758]

約数ペア:

[(1, 21870758), (2, 10935379), (7, 3124394), (13, 1682366), (14, 1562197), (26, 841183), (49, 446342), (91, 240338), (98, 223171), (182, 120169), (637, 34334), (1274, 17167)]