21338408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29311}}^1$

素因数の和:29337

約数の個数: 32

約数和(自身を含む): 49244160

約数和(自身を除く): 27905752

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 29311, 58622, 117244, 205177, 234488, 381043, 410354, 762086, 820708, 1524172, 1641416, 2667301, 3048344, 5334602, 10669204, 21338408]

約数ペア:

[(1, 21338408), (2, 10669204), (4, 5334602), (7, 3048344), (8, 2667301), (13, 1641416), (14, 1524172), (26, 820708), (28, 762086), (52, 410354), (56, 381043), (91, 234488), (104, 205177), (182, 117244), (364, 58622), (728, 29311)]