21205194

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{66683}}^1$

素因数の和:66741

約数の個数: 16

約数和(自身を含む): 43211232

約数和(自身を除く): 22006038

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 66683, 133366, 200049, 400098, 3534199, 7068398, 10602597, 21205194]

約数ペア:

[(1, 21205194), (2, 10602597), (3, 7068398), (6, 3534199), (53, 400098), (106, 200049), (159, 133366), (318, 66683)]