21601778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{9533}}^1$

素因数の和:9649

約数の個数: 16

約数和(自身を含む): 35695296

約数和(自身を除く): 14093518

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 9533, 19066, 104863, 209726, 981899, 1963798, 10800889, 21601778]

約数ペア:

[(1, 21601778), (2, 10800889), (11, 1963798), (22, 981899), (103, 209726), (206, 104863), (1133, 19066), (2266, 9533)]