21263312

素因数分解:

$2^4\times 7^1\times {\mathrm{189851}}^1$

素因数の和:189866

約数の個数: 20

約数和(自身を含む): 47083296

約数和(自身を除く): 25819984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 189851, 379702, 759404, 1328957, 1518808, 2657914, 3037616, 5315828, 10631656, 21263312]

約数ペア:

[(1, 21263312), (2, 10631656), (4, 5315828), (7, 3037616), (8, 2657914), (14, 1518808), (16, 1328957), (28, 759404), (56, 379702), (112, 189851)]