21552982

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{4973}}^1$

素因数の和:5183

約数の個数: 16

約数和(自身を含む): 35454672

約数和(自身を除く): 13901690

約数列:

[1, 2, 11, 22, 197, 394, 2167, 4334, 4973, 9946, 54703, 109406, 979681, 1959362, 10776491, 21552982]

約数ペア:

[(1, 21552982), (2, 10776491), (11, 1959362), (22, 979681), (197, 109406), (394, 54703), (2167, 9946), (4334, 4973)]