21942796

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{6143}}^1$

素因数の和:6213

約数の個数: 24

約数和(自身を含む): 41287680

約数和(自身を除く): 19344884

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 3572, 6143, 12286, 24572, 116717, 233434, 288721, 466868, 577442, 1154884, 5485699, 10971398, 21942796]

約数ペア:

[(1, 21942796), (2, 10971398), (4, 5485699), (19, 1154884), (38, 577442), (47, 466868), (76, 288721), (94, 233434), (188, 116717), (893, 24572), (1786, 12286), (3572, 6143)]