21811504

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9533}}^1$

素因数の和:9565

約数の個数: 40

約数和(自身を含む): 49653072

約数和(自身を除く): 27841568

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 9533, 19066, 38132, 76264, 104863, 123929, 152528, 209726, 247858, 419452, 495716, 838904, 991432, 1363219, 1677808, 1982864, 2726438, 5452876, 10905752, 21811504]

約数ペア:

[(1, 21811504), (2, 10905752), (4, 5452876), (8, 2726438), (11, 1982864), (13, 1677808), (16, 1363219), (22, 991432), (26, 838904), (44, 495716), (52, 419452), (88, 247858), (104, 209726), (143, 152528), (176, 123929), (208, 104863), (286, 76264), (572, 38132), (1144, 19066), (2288, 9533)]