21563070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{5171}}^1$

素因数の和:5320

約数の個数: 32

約数和(自身を含む): 52133760

約数和(自身を除く): 30570690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 5171, 10342, 15513, 25855, 31026, 51710, 77565, 155130, 718769, 1437538, 2156307, 3593845, 4312614, 7187690, 10781535, 21563070]

約数ペア:

[(1, 21563070), (2, 10781535), (3, 7187690), (5, 4312614), (6, 3593845), (10, 2156307), (15, 1437538), (30, 718769), (139, 155130), (278, 77565), (417, 51710), (695, 31026), (834, 25855), (1390, 15513), (2085, 10342), (4170, 5171)]