21061648

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42463}}^1$

素因数の和:42502

約数の個数: 20

約数和(自身を含む): 42124288

約数和(自身を除く): 21062640

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42463, 84926, 169852, 339704, 679408, 1316353, 2632706, 5265412, 10530824, 21061648]

約数ペア:

[(1, 21061648), (2, 10530824), (4, 5265412), (8, 2632706), (16, 1316353), (31, 679408), (62, 339704), (124, 169852), (248, 84926), (496, 42463)]