21055800

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1847}}^1$

素因数の和:1885

約数の個数: 96

約数和(自身を含む): 68745600

約数和(自身を除く): 47689800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 25, 30, 38, 40, 50, 57, 60, 75, 76, 95, 100, 114, 120, 150, 152, 190, 200, 228, 285, 300, 380, 456, 475, 570, 600, 760, 950, 1140, 1425, 1847, 1900, 2280, 2850, 3694, 3800, 5541, 5700, 7388, 9235, 11082, 11400, 14776, 18470, 22164, 27705, 35093, 36940, 44328, 46175, 55410, 70186, 73880, 92350, 105279, 110820, 138525, 140372, 175465, 184700, 210558, 221640, 277050, 280744, 350930, 369400, 421116, 526395, 554100, 701860, 842232, 877325, 1052790, 1108200, 1403720, 1754650, 2105580, 2631975, 3509300, 4211160, 5263950, 7018600, 10527900, 21055800]

約数ペア:

[(1, 21055800), (2, 10527900), (3, 7018600), (4, 5263950), (5, 4211160), (6, 3509300), (8, 2631975), (10, 2105580), (12, 1754650), (15, 1403720), (19, 1108200), (20, 1052790), (24, 877325), (25, 842232), (30, 701860), (38, 554100), (40, 526395), (50, 421116), (57, 369400), (60, 350930), (75, 280744), (76, 277050), (95, 221640), (100, 210558), (114, 184700), (120, 175465), (150, 140372), (152, 138525), (190, 110820), (200, 105279), (228, 92350), (285, 73880), (300, 70186), (380, 55410), (456, 46175), (475, 44328), (570, 36940), (600, 35093), (760, 27705), (950, 22164), (1140, 18470), (1425, 14776), (1847, 11400), (1900, 11082), (2280, 9235), (2850, 7388), (3694, 5700), (3800, 5541)]