21479400

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{11933}}^1$

素因数の和:11955

約数の個数: 72

約数和(自身を含む): 72141030

約数和(自身を除く): 50661630

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 36, 40, 45, 50, 60, 72, 75, 90, 100, 120, 150, 180, 200, 225, 300, 360, 450, 600, 900, 1800, 11933, 23866, 35799, 47732, 59665, 71598, 95464, 107397, 119330, 143196, 178995, 214794, 238660, 286392, 298325, 357990, 429588, 477320, 536985, 596650, 715980, 859176, 894975, 1073970, 1193300, 1431960, 1789950, 2147940, 2386600, 2684925, 3579900, 4295880, 5369850, 7159800, 10739700, 21479400]

約数ペア:

[(1, 21479400), (2, 10739700), (3, 7159800), (4, 5369850), (5, 4295880), (6, 3579900), (8, 2684925), (9, 2386600), (10, 2147940), (12, 1789950), (15, 1431960), (18, 1193300), (20, 1073970), (24, 894975), (25, 859176), (30, 715980), (36, 596650), (40, 536985), (45, 477320), (50, 429588), (60, 357990), (72, 298325), (75, 286392), (90, 238660), (100, 214794), (120, 178995), (150, 143196), (180, 119330), (200, 107397), (225, 95464), (300, 71598), (360, 59665), (450, 47732), (600, 35799), (900, 23866), (1800, 11933)]