21000786600

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{239}}^1\times {\mathrm{146449}}^1$

素因数の和:146707

約数の個数: 96

約数和(自身を含む): 65375280000

約数和(自身を除く): 44374493400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 239, 300, 478, 600, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4780, 5736, 5975, 7170, 9560, 11950, 14340, 17925, 23900, 28680, 35850, 47800, 71700, 143400, 146449, 292898, 439347, 585796, 732245, 878694, 1171592, 1464490, 1757388, 2196735, 2928980, 3514776, 3661225, 4393470, 5857960, 7322450, 8786940, 10983675, 14644900, 17573880, 21967350, 29289800, 35001311, 43934700, 70002622, 87869400, 105003933, 140005244, 175006555, 210007866, 280010488, 350013110, 420015732, 525019665, 700026220, 840031464, 875032775, 1050039330, 1400052440, 1750065550, 2100078660, 2625098325, 3500131100, 4200157320, 5250196650, 7000262200, 10500393300, 21000786600]

約数ペア:

[(1, 21000786600), (2, 10500393300), (3, 7000262200), (4, 5250196650), (5, 4200157320), (6, 3500131100), (8, 2625098325), (10, 2100078660), (12, 1750065550), (15, 1400052440), (20, 1050039330), (24, 875032775), (25, 840031464), (30, 700026220), (40, 525019665), (50, 420015732), (60, 350013110), (75, 280010488), (100, 210007866), (120, 175006555), (150, 140005244), (200, 105003933), (239, 87869400), (300, 70002622), (478, 43934700), (600, 35001311), (717, 29289800), (956, 21967350), (1195, 17573880), (1434, 14644900), (1912, 10983675), (2390, 8786940), (2868, 7322450), (3585, 5857960), (4780, 4393470), (5736, 3661225), (5975, 3514776), (7170, 2928980), (9560, 2196735), (11950, 1757388), (14340, 1464490), (17925, 1171592), (23900, 878694), (28680, 732245), (35850, 585796), (47800, 439347), (71700, 292898), (143400, 146449)]