21907800

素因数分解:

$2^3\times 3^3\times 5^2\times {\mathrm{4057}}^1$

素因数の和:4082

約数の個数: 96

約数和(自身を含む): 75478800

約数和(自身を除く): 53571000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 27, 30, 36, 40, 45, 50, 54, 60, 72, 75, 90, 100, 108, 120, 135, 150, 180, 200, 216, 225, 270, 300, 360, 450, 540, 600, 675, 900, 1080, 1350, 1800, 2700, 4057, 5400, 8114, 12171, 16228, 20285, 24342, 32456, 36513, 40570, 48684, 60855, 73026, 81140, 97368, 101425, 109539, 121710, 146052, 162280, 182565, 202850, 219078, 243420, 292104, 304275, 365130, 405700, 438156, 486840, 547695, 608550, 730260, 811400, 876312, 912825, 1095390, 1217100, 1460520, 1825650, 2190780, 2434200, 2738475, 3651300, 4381560, 5476950, 7302600, 10953900, 21907800]

約数ペア:

[(1, 21907800), (2, 10953900), (3, 7302600), (4, 5476950), (5, 4381560), (6, 3651300), (8, 2738475), (9, 2434200), (10, 2190780), (12, 1825650), (15, 1460520), (18, 1217100), (20, 1095390), (24, 912825), (25, 876312), (27, 811400), (30, 730260), (36, 608550), (40, 547695), (45, 486840), (50, 438156), (54, 405700), (60, 365130), (72, 304275), (75, 292104), (90, 243420), (100, 219078), (108, 202850), (120, 182565), (135, 162280), (150, 146052), (180, 121710), (200, 109539), (216, 101425), (225, 97368), (270, 81140), (300, 73026), (360, 60855), (450, 48684), (540, 40570), (600, 36513), (675, 32456), (900, 24342), (1080, 20285), (1350, 16228), (1800, 12171), (2700, 8114), (4057, 5400)]