21328080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{88867}}^1$

素因数の和:88883

約数の個数: 40

約数和(自身を含む): 66117792

約数和(自身を除く): 44789712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 88867, 177734, 266601, 355468, 444335, 533202, 710936, 888670, 1066404, 1333005, 1421872, 1777340, 2132808, 2666010, 3554680, 4265616, 5332020, 7109360, 10664040, 21328080]

約数ペア:

[(1, 21328080), (2, 10664040), (3, 7109360), (4, 5332020), (5, 4265616), (6, 3554680), (8, 2666010), (10, 2132808), (12, 1777340), (15, 1421872), (16, 1333005), (20, 1066404), (24, 888670), (30, 710936), (40, 533202), (48, 444335), (60, 355468), (80, 266601), (120, 177734), (240, 88867)]