21167156725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{11321}}^1$

素因数の和:11878

約数の個数: 48

約数和(自身を含む): 30897647424

約数和(自身を除く): 9730490699

約数列:

[1, 5, 11, 13, 25, 55, 65, 143, 275, 325, 523, 715, 2615, 3575, 5753, 6799, 11321, 13075, 28765, 33995, 56605, 74789, 124531, 143825, 147173, 169975, 283025, 373945, 622655, 735865, 1618903, 1869725, 3113275, 3679325, 5920883, 8094515, 29604415, 40472575, 65129713, 76971479, 148022075, 325648565, 384857395, 846686269, 1628242825, 1924286975, 4233431345, 21167156725]

約数ペア:

[(1, 21167156725), (5, 4233431345), (11, 1924286975), (13, 1628242825), (25, 846686269), (55, 384857395), (65, 325648565), (143, 148022075), (275, 76971479), (325, 65129713), (523, 40472575), (715, 29604415), (2615, 8094515), (3575, 5920883), (5753, 3679325), (6799, 3113275), (11321, 1869725), (13075, 1618903), (28765, 735865), (33995, 622655), (56605, 373945), (74789, 283025), (124531, 169975), (143825, 147173)]