21300368

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{70067}}^1$

素因数の和:70094

約数の個数: 20

約数和(自身を含む): 43442160

約数和(自身を除く): 22141792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 70067, 140134, 280268, 560536, 1121072, 1331273, 2662546, 5325092, 10650184, 21300368]

約数ペア:

[(1, 21300368), (2, 10650184), (4, 5325092), (8, 2662546), (16, 1331273), (19, 1121072), (38, 560536), (76, 280268), (152, 140134), (304, 70067)]