21255126

素因数分解:

$2^1\times 3^1\times {\mathrm{173}}^1\times {\mathrm{20477}}^1$

素因数の和:20655

約数の個数: 16

約数和(自身を含む): 42758064

約数和(自身を除く): 21502938

約数列:

[1, 2, 3, 6, 173, 346, 519, 1038, 20477, 40954, 61431, 122862, 3542521, 7085042, 10627563, 21255126]

約数ペア:

[(1, 21255126), (2, 10627563), (3, 7085042), (6, 3542521), (173, 122862), (346, 61431), (519, 40954), (1038, 20477)]