21298426

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{7309}}^1$

素因数の和:7389

約数の個数: 16

約数和(自身を含む): 33684480

約数和(自身を除く): 12386054

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 7309, 14618, 226579, 343523, 453158, 687046, 10649213, 21298426]

約数ペア:

[(1, 21298426), (2, 10649213), (31, 687046), (47, 453158), (62, 343523), (94, 226579), (1457, 14618), (2914, 7309)]