21545100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:704

約数の個数: 108

約数和(自身を含む): 69464304

約数和(自身を除く): 47919204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 37, 45, 50, 60, 74, 75, 90, 100, 111, 148, 150, 180, 185, 222, 225, 300, 333, 370, 444, 450, 555, 647, 666, 740, 900, 925, 1110, 1294, 1332, 1665, 1850, 1941, 2220, 2588, 2775, 3235, 3330, 3700, 3882, 5550, 5823, 6470, 6660, 7764, 8325, 9705, 11100, 11646, 12940, 16175, 16650, 19410, 23292, 23939, 29115, 32350, 33300, 38820, 47878, 48525, 58230, 64700, 71817, 95756, 97050, 116460, 119695, 143634, 145575, 194100, 215451, 239390, 287268, 291150, 359085, 430902, 478780, 582300, 598475, 718170, 861804, 1077255, 1196950, 1436340, 1795425, 2154510, 2393900, 3590850, 4309020, 5386275, 7181700, 10772550, 21545100]

約数ペア:

[(1, 21545100), (2, 10772550), (3, 7181700), (4, 5386275), (5, 4309020), (6, 3590850), (9, 2393900), (10, 2154510), (12, 1795425), (15, 1436340), (18, 1196950), (20, 1077255), (25, 861804), (30, 718170), (36, 598475), (37, 582300), (45, 478780), (50, 430902), (60, 359085), (74, 291150), (75, 287268), (90, 239390), (100, 215451), (111, 194100), (148, 145575), (150, 143634), (180, 119695), (185, 116460), (222, 97050), (225, 95756), (300, 71817), (333, 64700), (370, 58230), (444, 48525), (450, 47878), (555, 38820), (647, 33300), (666, 32350), (740, 29115), (900, 23939), (925, 23292), (1110, 19410), (1294, 16650), (1332, 16175), (1665, 12940), (1850, 11646), (1941, 11100), (2220, 9705), (2588, 8325), (2775, 7764), (3235, 6660), (3330, 6470), (3700, 5823), (3882, 5550)]