21178902602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4951}}^1\times {\mathrm{14957}}^1$

素因数の和:19934

約数の個数: 32

約数和(自身を含む): 37332296064

約数和(自身を除く): 16153393462

約数列:

[1, 2, 11, 13, 22, 26, 143, 286, 4951, 9902, 14957, 29914, 54461, 64363, 108922, 128726, 164527, 194441, 329054, 388882, 707993, 1415986, 2138851, 4277702, 74052107, 148104214, 814573177, 962677391, 1629146354, 1925354782, 10589451301, 21178902602]

約数ペア:

[(1, 21178902602), (2, 10589451301), (11, 1925354782), (13, 1629146354), (22, 962677391), (26, 814573177), (143, 148104214), (286, 74052107), (4951, 4277702), (9902, 2138851), (14957, 1415986), (29914, 707993), (54461, 388882), (64363, 329054), (108922, 194441), (128726, 164527)]