21111600

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{241}}^1$

素因数の和:335

約数の個数: 120

約数和(自身を含む): 68838352

約数和(自身を除く): 47726752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 73, 75, 80, 100, 120, 146, 150, 200, 219, 240, 241, 292, 300, 365, 400, 438, 482, 584, 600, 723, 730, 876, 964, 1095, 1168, 1200, 1205, 1446, 1460, 1752, 1825, 1928, 2190, 2410, 2892, 2920, 3504, 3615, 3650, 3856, 4380, 4820, 5475, 5784, 5840, 6025, 7230, 7300, 8760, 9640, 10950, 11568, 12050, 14460, 14600, 17520, 17593, 18075, 19280, 21900, 24100, 28920, 29200, 35186, 36150, 43800, 48200, 52779, 57840, 70372, 72300, 87600, 87965, 96400, 105558, 140744, 144600, 175930, 211116, 263895, 281488, 289200, 351860, 422232, 439825, 527790, 703720, 844464, 879650, 1055580, 1319475, 1407440, 1759300, 2111160, 2638950, 3518600, 4222320, 5277900, 7037200, 10555800, 21111600]

約数ペア:

[(1, 21111600), (2, 10555800), (3, 7037200), (4, 5277900), (5, 4222320), (6, 3518600), (8, 2638950), (10, 2111160), (12, 1759300), (15, 1407440), (16, 1319475), (20, 1055580), (24, 879650), (25, 844464), (30, 703720), (40, 527790), (48, 439825), (50, 422232), (60, 351860), (73, 289200), (75, 281488), (80, 263895), (100, 211116), (120, 175930), (146, 144600), (150, 140744), (200, 105558), (219, 96400), (240, 87965), (241, 87600), (292, 72300), (300, 70372), (365, 57840), (400, 52779), (438, 48200), (482, 43800), (584, 36150), (600, 35186), (723, 29200), (730, 28920), (876, 24100), (964, 21900), (1095, 19280), (1168, 18075), (1200, 17593), (1205, 17520), (1446, 14600), (1460, 14460), (1752, 12050), (1825, 11568), (1928, 10950), (2190, 9640), (2410, 8760), (2892, 7300), (2920, 7230), (3504, 6025), (3615, 5840), (3650, 5784), (3856, 5475), (4380, 4820)]