21784446

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{71191}}^1$

素因数の和:71216

約数の個数: 24

約数和(自身を含む): 49976784

約数和(自身を除く): 28192338

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 71191, 142382, 213573, 427146, 640719, 1210247, 1281438, 2420494, 3630741, 7261482, 10892223, 21784446]

約数ペア:

[(1, 21784446), (2, 10892223), (3, 7261482), (6, 3630741), (9, 2420494), (17, 1281438), (18, 1210247), (34, 640719), (51, 427146), (102, 213573), (153, 142382), (306, 71191)]