21485700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{23873}}^1$

素因数の和:23893

約数の個数: 54

約数和(自身を含む): 67348554

約数和(自身を除く): 45862854

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 150, 180, 225, 300, 450, 900, 23873, 47746, 71619, 95492, 119365, 143238, 214857, 238730, 286476, 358095, 429714, 477460, 596825, 716190, 859428, 1074285, 1193650, 1432380, 1790475, 2148570, 2387300, 3580950, 4297140, 5371425, 7161900, 10742850, 21485700]

約数ペア:

[(1, 21485700), (2, 10742850), (3, 7161900), (4, 5371425), (5, 4297140), (6, 3580950), (9, 2387300), (10, 2148570), (12, 1790475), (15, 1432380), (18, 1193650), (20, 1074285), (25, 859428), (30, 716190), (36, 596825), (45, 477460), (50, 429714), (60, 358095), (75, 286476), (90, 238730), (100, 214857), (150, 143238), (180, 119365), (225, 95492), (300, 71619), (450, 47746), (900, 23873)]