21698230

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{50461}}^1$

素因数の和:50511

約数の個数: 16

約数和(自身を含む): 39965904

約数和(自身を除く): 18267674

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 50461, 100922, 252305, 504610, 2169823, 4339646, 10849115, 21698230]

約数ペア:

[(1, 21698230), (2, 10849115), (5, 4339646), (10, 2169823), (43, 504610), (86, 252305), (215, 100922), (430, 50461)]