21970200

素因数分解:

$2^3\times 3^1\times 5^2\times 7^1\times {\mathrm{5231}}^1$

素因数の和:5257

約数の個数: 96

約数和(自身を含む): 77852160

約数和(自身を除く): 55881960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 140, 150, 168, 175, 200, 210, 280, 300, 350, 420, 525, 600, 700, 840, 1050, 1400, 2100, 4200, 5231, 10462, 15693, 20924, 26155, 31386, 36617, 41848, 52310, 62772, 73234, 78465, 104620, 109851, 125544, 130775, 146468, 156930, 183085, 209240, 219702, 261550, 292936, 313860, 366170, 392325, 439404, 523100, 549255, 627720, 732340, 784650, 878808, 915425, 1046200, 1098510, 1464680, 1569300, 1830850, 2197020, 2746275, 3138600, 3661700, 4394040, 5492550, 7323400, 10985100, 21970200]

約数ペア:

[(1, 21970200), (2, 10985100), (3, 7323400), (4, 5492550), (5, 4394040), (6, 3661700), (7, 3138600), (8, 2746275), (10, 2197020), (12, 1830850), (14, 1569300), (15, 1464680), (20, 1098510), (21, 1046200), (24, 915425), (25, 878808), (28, 784650), (30, 732340), (35, 627720), (40, 549255), (42, 523100), (50, 439404), (56, 392325), (60, 366170), (70, 313860), (75, 292936), (84, 261550), (100, 219702), (105, 209240), (120, 183085), (140, 156930), (150, 146468), (168, 130775), (175, 125544), (200, 109851), (210, 104620), (280, 78465), (300, 73234), (350, 62772), (420, 52310), (525, 41848), (600, 36617), (700, 31386), (840, 26155), (1050, 20924), (1400, 15693), (2100, 10462), (4200, 5231)]