21660360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{180503}}^1$

素因数の和:180517

約数の個数: 32

約数和(自身を含む): 64981440

約数和(自身を除く): 43321080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 180503, 361006, 541509, 722012, 902515, 1083018, 1444024, 1805030, 2166036, 2707545, 3610060, 4332072, 5415090, 7220120, 10830180, 21660360]

約数ペア:

[(1, 21660360), (2, 10830180), (3, 7220120), (4, 5415090), (5, 4332072), (6, 3610060), (8, 2707545), (10, 2166036), (12, 1805030), (15, 1444024), (20, 1083018), (24, 902515), (30, 722012), (40, 541509), (60, 361006), (120, 180503)]