21928500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:479

約数の個数: 144

約数和(自身を含む): 75636288

約数和(自身を除く): 53707788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 30, 33, 36, 44, 45, 50, 55, 60, 66, 75, 90, 99, 100, 110, 125, 132, 150, 165, 180, 198, 220, 225, 250, 275, 300, 330, 375, 396, 443, 450, 495, 500, 550, 660, 750, 825, 886, 900, 990, 1100, 1125, 1329, 1375, 1500, 1650, 1772, 1980, 2215, 2250, 2475, 2658, 2750, 3300, 3987, 4125, 4430, 4500, 4873, 4950, 5316, 5500, 6645, 7974, 8250, 8860, 9746, 9900, 11075, 12375, 13290, 14619, 15948, 16500, 19492, 19935, 22150, 24365, 24750, 26580, 29238, 33225, 39870, 43857, 44300, 48730, 49500, 55375, 58476, 66450, 73095, 79740, 87714, 97460, 99675, 110750, 121825, 132900, 146190, 166125, 175428, 199350, 219285, 221500, 243650, 292380, 332250, 365475, 398700, 438570, 487300, 498375, 609125, 664500, 730950, 877140, 996750, 1096425, 1218250, 1461900, 1827375, 1993500, 2192850, 2436500, 3654750, 4385700, 5482125, 7309500, 10964250, 21928500]

約数ペア:

[(1, 21928500), (2, 10964250), (3, 7309500), (4, 5482125), (5, 4385700), (6, 3654750), (9, 2436500), (10, 2192850), (11, 1993500), (12, 1827375), (15, 1461900), (18, 1218250), (20, 1096425), (22, 996750), (25, 877140), (30, 730950), (33, 664500), (36, 609125), (44, 498375), (45, 487300), (50, 438570), (55, 398700), (60, 365475), (66, 332250), (75, 292380), (90, 243650), (99, 221500), (100, 219285), (110, 199350), (125, 175428), (132, 166125), (150, 146190), (165, 132900), (180, 121825), (198, 110750), (220, 99675), (225, 97460), (250, 87714), (275, 79740), (300, 73095), (330, 66450), (375, 58476), (396, 55375), (443, 49500), (450, 48730), (495, 44300), (500, 43857), (550, 39870), (660, 33225), (750, 29238), (825, 26580), (886, 24750), (900, 24365), (990, 22150), (1100, 19935), (1125, 19492), (1329, 16500), (1375, 15948), (1500, 14619), (1650, 13290), (1772, 12375), (1980, 11075), (2215, 9900), (2250, 9746), (2475, 8860), (2658, 8250), (2750, 7974), (3300, 6645), (3987, 5500), (4125, 5316), (4430, 4950), (4500, 4873)]