21030894

素因数分解:

$2^1\times 3^3\times {\mathrm{389461}}^1$

素因数の和:389472

約数の個数: 16

約数和(自身を含む): 46735440

約数和(自身を除く): 25704546

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 389461, 778922, 1168383, 2336766, 3505149, 7010298, 10515447, 21030894]

約数ペア:

[(1, 21030894), (2, 10515447), (3, 7010298), (6, 3505149), (9, 2336766), (18, 1168383), (27, 778922), (54, 389461)]