21889290

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{729643}}^1$

素因数の和:729653

約数の個数: 16

約数和(自身を含む): 52534368

約数和(自身を除く): 30645078

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 729643, 1459286, 2188929, 3648215, 4377858, 7296430, 10944645, 21889290]

約数ペア:

[(1, 21889290), (2, 10944645), (3, 7296430), (5, 4377858), (6, 3648215), (10, 2188929), (15, 1459286), (30, 729643)]