21148200

素因数分解:

$2^3\times 3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 144

約数和(自身を含む): 73507200

約数和(自身を除く): 52359000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 25, 30, 31, 36, 40, 45, 50, 60, 62, 72, 75, 90, 93, 100, 120, 124, 150, 155, 180, 186, 200, 225, 248, 279, 300, 310, 360, 372, 379, 450, 465, 558, 600, 620, 744, 758, 775, 900, 930, 1116, 1137, 1240, 1395, 1516, 1550, 1800, 1860, 1895, 2232, 2274, 2325, 2790, 3032, 3100, 3411, 3720, 3790, 4548, 4650, 5580, 5685, 6200, 6822, 6975, 7580, 9096, 9300, 9475, 11160, 11370, 11749, 13644, 13950, 15160, 17055, 18600, 18950, 22740, 23498, 27288, 27900, 28425, 34110, 35247, 37900, 45480, 46996, 55800, 56850, 58745, 68220, 70494, 75800, 85275, 93992, 105741, 113700, 117490, 136440, 140988, 170550, 176235, 211482, 227400, 234980, 281976, 293725, 341100, 352470, 422964, 469960, 528705, 587450, 682200, 704940, 845928, 881175, 1057410, 1174900, 1409880, 1762350, 2114820, 2349800, 2643525, 3524700, 4229640, 5287050, 7049400, 10574100, 21148200]

約数ペア:

[(1, 21148200), (2, 10574100), (3, 7049400), (4, 5287050), (5, 4229640), (6, 3524700), (8, 2643525), (9, 2349800), (10, 2114820), (12, 1762350), (15, 1409880), (18, 1174900), (20, 1057410), (24, 881175), (25, 845928), (30, 704940), (31, 682200), (36, 587450), (40, 528705), (45, 469960), (50, 422964), (60, 352470), (62, 341100), (72, 293725), (75, 281976), (90, 234980), (93, 227400), (100, 211482), (120, 176235), (124, 170550), (150, 140988), (155, 136440), (180, 117490), (186, 113700), (200, 105741), (225, 93992), (248, 85275), (279, 75800), (300, 70494), (310, 68220), (360, 58745), (372, 56850), (379, 55800), (450, 46996), (465, 45480), (558, 37900), (600, 35247), (620, 34110), (744, 28425), (758, 27900), (775, 27288), (900, 23498), (930, 22740), (1116, 18950), (1137, 18600), (1240, 17055), (1395, 15160), (1516, 13950), (1550, 13644), (1800, 11749), (1860, 11370), (1895, 11160), (2232, 9475), (2274, 9300), (2325, 9096), (2790, 7580), (3032, 6975), (3100, 6822), (3411, 6200), (3720, 5685), (3790, 5580), (4548, 4650)]