21787011070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{16183}}^1\times {\mathrm{12239}}^1$

素因数の和:28440

約数の個数: 32

約数和(自身を含む): 42787906560

約数和(自身を除く): 21000895490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 12239, 16183, 24478, 32366, 61195, 80915, 122390, 134629, 161830, 178013, 269258, 356026, 673145, 890065, 1346290, 1780130, 198063737, 396127474, 990318685, 1980637370, 2178701107, 4357402214, 10893505535, 21787011070]

約数ペア:

[(1, 21787011070), (2, 10893505535), (5, 4357402214), (10, 2178701107), (11, 1980637370), (22, 990318685), (55, 396127474), (110, 198063737), (12239, 1780130), (16183, 1346290), (24478, 890065), (32366, 673145), (61195, 356026), (80915, 269258), (122390, 178013), (134629, 161830)]