21182160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88259}}^1$

素因数の和:88275

約数の個数: 40

約数和(自身を含む): 65665440

約数和(自身を除く): 44483280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88259, 176518, 264777, 353036, 441295, 529554, 706072, 882590, 1059108, 1323885, 1412144, 1765180, 2118216, 2647770, 3530360, 4236432, 5295540, 7060720, 10591080, 21182160]

約数ペア:

[(1, 21182160), (2, 10591080), (3, 7060720), (4, 5295540), (5, 4236432), (6, 3530360), (8, 2647770), (10, 2118216), (12, 1765180), (15, 1412144), (16, 1323885), (20, 1059108), (24, 882590), (30, 706072), (40, 529554), (48, 441295), (60, 353036), (80, 264777), (120, 176518), (240, 88259)]