21211334

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{2459}}^1$

素因数の和:2707

約数の個数: 16

約数和(自身を含む): 33652800

約数和(自身を除く): 12441466

約数列:

[1, 2, 19, 38, 227, 454, 2459, 4313, 4918, 8626, 46721, 93442, 558193, 1116386, 10605667, 21211334]

約数ペア:

[(1, 21211334), (2, 10605667), (19, 1116386), (38, 558193), (227, 93442), (454, 46721), (2459, 8626), (4313, 4918)]