21047946

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{113161}}^1$

素因数の和:113197

約数の個数: 16

約数和(自身を含む): 43454208

約数和(自身を除く): 22406262

約数列:

[1, 2, 3, 6, 31, 62, 93, 186, 113161, 226322, 339483, 678966, 3507991, 7015982, 10523973, 21047946]

約数ペア:

[(1, 21047946), (2, 10523973), (3, 7015982), (6, 3507991), (31, 678966), (62, 339483), (93, 226322), (186, 113161)]