21213168

素因数分解:

$2^4\times 3^1\times {\mathrm{47}}^1\times {\mathrm{9403}}^1$

素因数の和:9461

約数の個数: 40

約数和(自身を含む): 55972608

約数和(自身を除く): 34759440

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 47, 48, 94, 141, 188, 282, 376, 564, 752, 1128, 2256, 9403, 18806, 28209, 37612, 56418, 75224, 112836, 150448, 225672, 441941, 451344, 883882, 1325823, 1767764, 2651646, 3535528, 5303292, 7071056, 10606584, 21213168]

約数ペア:

[(1, 21213168), (2, 10606584), (3, 7071056), (4, 5303292), (6, 3535528), (8, 2651646), (12, 1767764), (16, 1325823), (24, 883882), (47, 451344), (48, 441941), (94, 225672), (141, 150448), (188, 112836), (282, 75224), (376, 56418), (564, 37612), (752, 28209), (1128, 18806), (2256, 9403)]