21626790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{5503}}^1$

素因数の和:5644

約数の個数: 32

約数和(自身を含む): 52310016

約数和(自身を除く): 30683226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 3930, 5503, 11006, 16509, 27515, 33018, 55030, 82545, 165090, 720893, 1441786, 2162679, 3604465, 4325358, 7208930, 10813395, 21626790]

約数ペア:

[(1, 21626790), (2, 10813395), (3, 7208930), (5, 4325358), (6, 3604465), (10, 2162679), (15, 1441786), (30, 720893), (131, 165090), (262, 82545), (393, 55030), (655, 33018), (786, 27515), (1310, 16509), (1965, 11006), (3930, 5503)]