21461270

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29399}}^1$

素因数の和:29479

約数の個数: 16

約数和(自身を含む): 39160800

約数和(自身を除く): 17699530

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29399, 58798, 146995, 293990, 2146127, 4292254, 10730635, 21461270]

約数ペア:

[(1, 21461270), (2, 10730635), (5, 4292254), (10, 2146127), (73, 293990), (146, 146995), (365, 58798), (730, 29399)]