21467248

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{283}}^1\times {\mathrm{431}}^1$

素因数の和:733

約数の個数: 40

約数和(自身を含む): 45639936

約数和(自身を除く): 24172688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 283, 431, 566, 862, 1132, 1724, 2264, 3113, 3448, 4528, 4741, 6226, 6896, 9482, 12452, 18964, 24904, 37928, 49808, 75856, 121973, 243946, 487892, 975784, 1341703, 1951568, 2683406, 5366812, 10733624, 21467248]

約数ペア:

[(1, 21467248), (2, 10733624), (4, 5366812), (8, 2683406), (11, 1951568), (16, 1341703), (22, 975784), (44, 487892), (88, 243946), (176, 121973), (283, 75856), (431, 49808), (566, 37928), (862, 24904), (1132, 18964), (1724, 12452), (2264, 9482), (3113, 6896), (3448, 6226), (4528, 4741)]