21454419

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{21737}}^1$

素因数の和:21794

約数の個数: 16

約数和(自身を含む): 33389568

約数和(自身を除く): 11935149

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 21737, 65211, 152159, 456477, 1021639, 3064917, 7151473, 21454419]

約数ペア:

[(1, 21454419), (3, 7151473), (7, 3064917), (21, 1021639), (47, 456477), (141, 152159), (329, 65211), (987, 21737)]