21510230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{307289}}^1$

素因数の和:307303

約数の個数: 16

約数和(自身を含む): 44249760

約数和(自身を除く): 22739530

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 307289, 614578, 1536445, 2151023, 3072890, 4302046, 10755115, 21510230]

約数ペア:

[(1, 21510230), (2, 10755115), (5, 4302046), (7, 3072890), (10, 2151023), (14, 1536445), (35, 614578), (70, 307289)]