21084632

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:495

約数の個数: 32

約数和(自身を含む): 40555200

約数和(自身を除く): 19470568

約数列:

[1, 2, 4, 8, 67, 134, 139, 268, 278, 283, 536, 556, 566, 1112, 1132, 2264, 9313, 18626, 18961, 37252, 37922, 39337, 74504, 75844, 78674, 151688, 157348, 314696, 2635579, 5271158, 10542316, 21084632]

約数ペア:

[(1, 21084632), (2, 10542316), (4, 5271158), (8, 2635579), (67, 314696), (134, 157348), (139, 151688), (268, 78674), (278, 75844), (283, 74504), (536, 39337), (556, 37922), (566, 37252), (1112, 18961), (1132, 18626), (2264, 9313)]