21082900612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{691787}}^1$

素因数の和:692211

約数の個数: 24

約数和(自身を含む): 38933828640

約数和(自身を除く): 17850928028

約数列:

[1, 2, 4, 19, 38, 76, 401, 802, 1604, 7619, 15238, 30476, 691787, 1383574, 2767148, 13143953, 26287906, 52575812, 277406587, 554813174, 1109626348, 5270725153, 10541450306, 21082900612]

約数ペア:

[(1, 21082900612), (2, 10541450306), (4, 5270725153), (19, 1109626348), (38, 554813174), (76, 277406587), (401, 52575812), (802, 26287906), (1604, 13143953), (7619, 2767148), (15238, 1383574), (30476, 691787)]