21567770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{5051}}^1$

素因数の和:5126

約数の個数: 32

約数和(自身を含む): 45104256

約数和(自身を除く): 23536486

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 5051, 10102, 25255, 35357, 50510, 70714, 176785, 308111, 353570, 616222, 1540555, 2156777, 3081110, 4313554, 10783885, 21567770]

約数ペア:

[(1, 21567770), (2, 10783885), (5, 4313554), (7, 3081110), (10, 2156777), (14, 1540555), (35, 616222), (61, 353570), (70, 308111), (122, 176785), (305, 70714), (427, 50510), (610, 35357), (854, 25255), (2135, 10102), (4270, 5051)]