21087486

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{55787}}^1$

素因数の和:55805

約数の個数: 32

約数和(自身を含む): 53556480

約数和(自身を除く): 32468994

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 55787, 111574, 167361, 334722, 390509, 502083, 781018, 1004166, 1171527, 1506249, 2343054, 3012498, 3514581, 7029162, 10543743, 21087486]

約数ペア:

[(1, 21087486), (2, 10543743), (3, 7029162), (6, 3514581), (7, 3012498), (9, 2343054), (14, 1506249), (18, 1171527), (21, 1004166), (27, 781018), (42, 502083), (54, 390509), (63, 334722), (126, 167361), (189, 111574), (378, 55787)]