21745038

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{517739}}^1$

素因数の和:517751

約数の個数: 16

約数和(自身を含む): 49703040

約数和(自身を除く): 27958002

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 517739, 1035478, 1553217, 3106434, 3624173, 7248346, 10872519, 21745038]

約数ペア:

[(1, 21745038), (2, 10872519), (3, 7248346), (6, 3624173), (7, 3106434), (14, 1553217), (21, 1035478), (42, 517739)]