21800730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{103813}}^1$

素因数の和:103830

約数の個数: 32

約数和(自身を含む): 59796864

約数和(自身を除く): 37996134

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 103813, 207626, 311439, 519065, 622878, 726691, 1038130, 1453382, 1557195, 2180073, 3114390, 3633455, 4360146, 7266910, 10900365, 21800730]

約数ペア:

[(1, 21800730), (2, 10900365), (3, 7266910), (5, 4360146), (6, 3633455), (7, 3114390), (10, 2180073), (14, 1557195), (15, 1453382), (21, 1038130), (30, 726691), (35, 622878), (42, 519065), (70, 311439), (105, 207626), (210, 103813)]