21039654

素因数分解:

$2^1\times 3^1\times {\mathrm{211}}^1\times {\mathrm{16619}}^1$

素因数の和:16835

約数の個数: 16

約数和(自身を含む): 42281280

約数和(自身を除く): 21241626

約数列:

[1, 2, 3, 6, 211, 422, 633, 1266, 16619, 33238, 49857, 99714, 3506609, 7013218, 10519827, 21039654]

約数ペア:

[(1, 21039654), (2, 10519827), (3, 7013218), (6, 3506609), (211, 99714), (422, 49857), (633, 33238), (1266, 16619)]