21198166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2477}}^1$

素因数の和:2879

約数の個数: 16

約数和(自身を含む): 34791120

約数和(自身を除く): 13592954

約数列:

[1, 2, 11, 22, 389, 778, 2477, 4279, 4954, 8558, 27247, 54494, 963553, 1927106, 10599083, 21198166]

約数ペア:

[(1, 21198166), (2, 10599083), (11, 1927106), (22, 963553), (389, 54494), (778, 27247), (2477, 8558), (4279, 4954)]