21831254

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1579}}^1$

素因数の和:1835

約数の個数: 16

約数和(自身を含む): 33976320

約数和(自身を除く): 12145066

約数列:

[1, 2, 31, 62, 223, 446, 1579, 3158, 6913, 13826, 48949, 97898, 352117, 704234, 10915627, 21831254]

約数ペア:

[(1, 21831254), (2, 10915627), (31, 704234), (62, 352117), (223, 97898), (446, 48949), (1579, 13826), (3158, 6913)]