21097224

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4127}}^1$

素因数の和:4210

約数の個数: 48

約数和(自身を含む): 57957120

約数和(自身を除く): 36859896

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 4127, 5112, 8254, 12381, 16508, 24762, 33016, 37143, 49524, 74286, 99048, 148572, 293017, 297144, 586034, 879051, 1172068, 1758102, 2344136, 2637153, 3516204, 5274306, 7032408, 10548612, 21097224]

約数ペア:

[(1, 21097224), (2, 10548612), (3, 7032408), (4, 5274306), (6, 3516204), (8, 2637153), (9, 2344136), (12, 1758102), (18, 1172068), (24, 879051), (36, 586034), (71, 297144), (72, 293017), (142, 148572), (213, 99048), (284, 74286), (426, 49524), (568, 37143), (639, 33016), (852, 24762), (1278, 16508), (1704, 12381), (2556, 8254), (4127, 5112)]