21266642

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1\times {\mathrm{479}}^1$

素因数の和:841

約数の個数: 16

約数和(自身を含む): 32486400

約数和(自身を除く): 11219758

約数列:

[1, 2, 79, 158, 281, 479, 562, 958, 22199, 37841, 44398, 75682, 134599, 269198, 10633321, 21266642]

約数ペア:

[(1, 21266642), (2, 10633321), (79, 269198), (158, 134599), (281, 75682), (479, 44398), (562, 37841), (958, 22199)]