21450398

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{353}}^1\times {\mathrm{1321}}^1$

素因数の和:1699

約数の個数: 16

約数和(自身を含む): 33695136

約数和(自身を除く): 12244738

約数列:

[1, 2, 23, 46, 353, 706, 1321, 2642, 8119, 16238, 30383, 60766, 466313, 932626, 10725199, 21450398]

約数ペア:

[(1, 21450398), (2, 10725199), (23, 932626), (46, 466313), (353, 60766), (706, 30383), (1321, 16238), (2642, 8119)]