21706518

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{1531}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 46327680

約数和(自身を除く): 24621162

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 139, 278, 417, 834, 1531, 2363, 3062, 4593, 4726, 7089, 9186, 14178, 26027, 52054, 78081, 156162, 212809, 425618, 638427, 1276854, 3617753, 7235506, 10853259, 21706518]

約数ペア:

[(1, 21706518), (2, 10853259), (3, 7235506), (6, 3617753), (17, 1276854), (34, 638427), (51, 425618), (102, 212809), (139, 156162), (278, 78081), (417, 52054), (834, 26027), (1531, 14178), (2363, 9186), (3062, 7089), (4593, 4726)]