21271768

素因数分解:

$2^3\times 7^1\times {\mathrm{379853}}^1$

素因数の和:379866

約数の個数: 16

約数和(自身を含む): 45582480

約数和(自身を除く): 24310712

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379853, 759706, 1519412, 2658971, 3038824, 5317942, 10635884, 21271768]

約数ペア:

[(1, 21271768), (2, 10635884), (4, 5317942), (7, 3038824), (8, 2658971), (14, 1519412), (28, 759706), (56, 379853)]