2021100471

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{17827}}^1$

素因数の和:17885

約数の個数: 64

約数和(自身を含む): 3594124800

約数和(自身を除く): 1573024329

約数列:

[1, 3, 9, 13, 17, 19, 27, 39, 51, 57, 117, 153, 171, 221, 247, 323, 351, 459, 513, 663, 741, 969, 1989, 2223, 2907, 4199, 5967, 6669, 8721, 12597, 17827, 37791, 53481, 113373, 160443, 231751, 303059, 338713, 481329, 695253, 909177, 1016139, 2085759, 2727531, 3048417, 3939767, 4403269, 5758121, 6257277, 8182593, 9145251, 11819301, 13209807, 17274363, 35457903, 39629421, 51823089, 74855573, 106373709, 118888263, 155469267, 224566719, 673700157, 2021100471]

約数ペア:

[(1, 2021100471), (3, 673700157), (9, 224566719), (13, 155469267), (17, 118888263), (19, 106373709), (27, 74855573), (39, 51823089), (51, 39629421), (57, 35457903), (117, 17274363), (153, 13209807), (171, 11819301), (221, 9145251), (247, 8182593), (323, 6257277), (351, 5758121), (459, 4403269), (513, 3939767), (663, 3048417), (741, 2727531), (969, 2085759), (1989, 1016139), (2223, 909177), (2907, 695253), (4199, 481329), (5967, 338713), (6669, 303059), (8721, 231751), (12597, 160443), (17827, 113373), (37791, 53481)]