20210562186

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1\times {\mathrm{521}}^1\times {\mathrm{613}}^1$

素因数の和:1391

約数の個数: 64

約数和(自身を含む): 41537836800

約数和(自身を除く): 21327274614

約数列:

[1, 2, 3, 6, 53, 106, 159, 199, 318, 398, 521, 597, 613, 1042, 1194, 1226, 1563, 1839, 3126, 3678, 10547, 21094, 27613, 31641, 32489, 55226, 63282, 64978, 82839, 97467, 103679, 121987, 165678, 194934, 207358, 243974, 311037, 319373, 365961, 622074, 638746, 731922, 958119, 1916238, 5494987, 6465311, 10989974, 12930622, 16484961, 16926769, 19395933, 32969922, 33853538, 38791866, 50780307, 63555227, 101560614, 127110454, 190665681, 381331362, 3368427031, 6736854062, 10105281093, 20210562186]

約数ペア:

[(1, 20210562186), (2, 10105281093), (3, 6736854062), (6, 3368427031), (53, 381331362), (106, 190665681), (159, 127110454), (199, 101560614), (318, 63555227), (398, 50780307), (521, 38791866), (597, 33853538), (613, 32969922), (1042, 19395933), (1194, 16926769), (1226, 16484961), (1563, 12930622), (1839, 10989974), (3126, 6465311), (3678, 5494987), (10547, 1916238), (21094, 958119), (27613, 731922), (31641, 638746), (32489, 622074), (55226, 365961), (63282, 319373), (64978, 311037), (82839, 243974), (97467, 207358), (103679, 194934), (121987, 165678)]