21018422

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{2389}}^1$

素因数の和:2527

約数の個数: 16

約数和(自身を含む): 32523120

約数和(自身を除く): 11504698

約数列:

[1, 2, 53, 83, 106, 166, 2389, 4399, 4778, 8798, 126617, 198287, 253234, 396574, 10509211, 21018422]

約数ペア:

[(1, 21018422), (2, 10509211), (53, 396574), (83, 253234), (106, 198287), (166, 126617), (2389, 8798), (4399, 4778)]