21000547682

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{6661}}^1$

素因数の和:7146

約数の個数: 32

約数和(自身を含む): 32811575808

約数和(自身を除く): 11811028126

約数列:

[1, 2, 31, 62, 211, 241, 422, 482, 6541, 6661, 7471, 13082, 13322, 14942, 50851, 101702, 206491, 412982, 1405471, 1576381, 1605301, 2810942, 3152762, 3210602, 43569601, 49764331, 87139202, 99528662, 338718511, 677437022, 10500273841, 21000547682]

約数ペア:

[(1, 21000547682), (2, 10500273841), (31, 677437022), (62, 338718511), (211, 99528662), (241, 87139202), (422, 49764331), (482, 43569601), (6541, 3210602), (6661, 3152762), (7471, 2810942), (13082, 1605301), (13322, 1576381), (14942, 1405471), (50851, 412982), (101702, 206491)]