21000918106

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3359}}^1\times {\mathrm{7321}}^1$

素因数の和:10750

約数の個数: 32

約数和(自身を含む): 36607656960

約数和(自身を除く): 15606738854

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 3359, 6718, 7321, 14642, 23513, 47026, 51247, 102494, 204899, 409798, 446581, 893162, 1434293, 2868586, 3126067, 6252134, 24591239, 49182478, 172138673, 344277346, 1500065579, 3000131158, 10500459053, 21000918106]

約数ペア:

[(1, 21000918106), (2, 10500459053), (7, 3000131158), (14, 1500065579), (61, 344277346), (122, 172138673), (427, 49182478), (854, 24591239), (3359, 6252134), (6718, 3126067), (7321, 2868586), (14642, 1434293), (23513, 893162), (47026, 446581), (51247, 409798), (102494, 204899)]