21875427

素因数分解:

$3^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1001

約数の個数: 40

約数和(自身を含む): 38297952

約数和(自身を除く): 16422525

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 81, 123, 189, 287, 369, 567, 861, 941, 1107, 2583, 2823, 3321, 6587, 7749, 8469, 19761, 23247, 25407, 38581, 59283, 76221, 115743, 177849, 270067, 347229, 533547, 810201, 1041687, 2430603, 3125061, 7291809, 21875427]

約数ペア:

[(1, 21875427), (3, 7291809), (7, 3125061), (9, 2430603), (21, 1041687), (27, 810201), (41, 533547), (63, 347229), (81, 270067), (123, 177849), (189, 115743), (287, 76221), (369, 59283), (567, 38581), (861, 25407), (941, 23247), (1107, 19761), (2583, 8469), (2823, 7749), (3321, 6587)]