21481390082

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{677}}^1\times {\mathrm{787}}^1\times {\mathrm{1061}}^1$

素因数の和:2546

約数の個数: 32

約数和(自身を含む): 34043302080

約数和(自身を除く): 12561911998

約数列:

[1, 2, 19, 38, 677, 787, 1061, 1354, 1574, 2122, 12863, 14953, 20159, 25726, 29906, 40318, 532799, 718297, 835007, 1065598, 1436594, 1670014, 10123181, 13647643, 15865133, 20246362, 27295286, 31730266, 565299739, 1130599478, 10740695041, 21481390082]

約数ペア:

[(1, 21481390082), (2, 10740695041), (19, 1130599478), (38, 565299739), (677, 31730266), (787, 27295286), (1061, 20246362), (1354, 15865133), (1574, 13647643), (2122, 10123181), (12863, 1670014), (14953, 1436594), (20159, 1065598), (25726, 835007), (29906, 718297), (40318, 532799)]