21739738

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{2399}}^1$

素因数の和:2621

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 12474662

約数列:

[1, 2, 23, 46, 197, 394, 2399, 4531, 4798, 9062, 55177, 110354, 472603, 945206, 10869869, 21739738]

約数ペア:

[(1, 21739738), (2, 10869869), (23, 945206), (46, 472603), (197, 110354), (394, 55177), (2399, 9062), (4531, 4798)]