20210964459

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{431}}^1\times {\mathrm{22109}}^1$

素因数の和:22651

約数の個数: 32

約数和(自身を含む): 31176161280

約数和(自身を除く): 10965196821

約数列:

[1, 3, 7, 21, 101, 303, 431, 707, 1293, 2121, 3017, 9051, 22109, 43531, 66327, 130593, 154763, 304717, 464289, 914151, 2233009, 6699027, 9528979, 15631063, 28586937, 46893189, 66702853, 200108559, 962426879, 2887280637, 6736988153, 20210964459]

約数ペア:

[(1, 20210964459), (3, 6736988153), (7, 2887280637), (21, 962426879), (101, 200108559), (303, 66702853), (431, 46893189), (707, 28586937), (1293, 15631063), (2121, 9528979), (3017, 6699027), (9051, 2233009), (22109, 914151), (43531, 464289), (66327, 304717), (130593, 154763)]