21979800

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{12211}}^1$

素因数の和:12233

約数の個数: 72

約数和(自身を含む): 73821540

約数和(自身を除く): 51841740

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, 12211, 24422, 36633, 48844, 61055, 73266, 97688, 109899, 122110, 146532, 183165, 219798, 244220, 293064, 305275, 366330, 439596, 488440, 549495, 610550, 732660, 879192, 915825, 1098990, 1221100, 1465320, 1831650, 2197980, 2442200, 2747475, 3663300, 4395960, 5494950, 7326600, 10989900, 21979800]

約数ペア:

[(1, 21979800), (2, 10989900), (3, 7326600), (4, 5494950), (5, 4395960), (6, 3663300), (8, 2747475), (9, 2442200), (10, 2197980), (12, 1831650), (15, 1465320), (18, 1221100), (20, 1098990), (24, 915825), (25, 879192), (30, 732660), (36, 610550), (40, 549495), (45, 488440), (50, 439596), (60, 366330), (72, 305275), (75, 293064), (90, 244220), (100, 219798), (120, 183165), (150, 146532), (180, 122110), (200, 109899), (225, 97688), (300, 73266), (360, 61055), (450, 48844), (600, 36633), (900, 24422), (1800, 12211)]