21243000

素因数分解:

$2^3\times 3^1\times 5^3\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 67878720

約数和(自身を除く): 46635720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 73, 75, 97, 100, 120, 125, 146, 150, 194, 200, 219, 250, 291, 292, 300, 365, 375, 388, 438, 485, 500, 582, 584, 600, 730, 750, 776, 876, 970, 1000, 1095, 1164, 1455, 1460, 1500, 1752, 1825, 1940, 2190, 2328, 2425, 2910, 2920, 3000, 3650, 3880, 4380, 4850, 5475, 5820, 7081, 7275, 7300, 8760, 9125, 9700, 10950, 11640, 12125, 14162, 14550, 14600, 18250, 19400, 21243, 21900, 24250, 27375, 28324, 29100, 35405, 36375, 36500, 42486, 43800, 48500, 54750, 56648, 58200, 70810, 72750, 73000, 84972, 97000, 106215, 109500, 141620, 145500, 169944, 177025, 212430, 219000, 283240, 291000, 354050, 424860, 531075, 708100, 849720, 885125, 1062150, 1416200, 1770250, 2124300, 2655375, 3540500, 4248600, 5310750, 7081000, 10621500, 21243000]

約数ペア:

[(1, 21243000), (2, 10621500), (3, 7081000), (4, 5310750), (5, 4248600), (6, 3540500), (8, 2655375), (10, 2124300), (12, 1770250), (15, 1416200), (20, 1062150), (24, 885125), (25, 849720), (30, 708100), (40, 531075), (50, 424860), (60, 354050), (73, 291000), (75, 283240), (97, 219000), (100, 212430), (120, 177025), (125, 169944), (146, 145500), (150, 141620), (194, 109500), (200, 106215), (219, 97000), (250, 84972), (291, 73000), (292, 72750), (300, 70810), (365, 58200), (375, 56648), (388, 54750), (438, 48500), (485, 43800), (500, 42486), (582, 36500), (584, 36375), (600, 35405), (730, 29100), (750, 28324), (776, 27375), (876, 24250), (970, 21900), (1000, 21243), (1095, 19400), (1164, 18250), (1455, 14600), (1460, 14550), (1500, 14162), (1752, 12125), (1825, 11640), (1940, 10950), (2190, 9700), (2328, 9125), (2425, 8760), (2910, 7300), (2920, 7275), (3000, 7081), (3650, 5820), (3880, 5475), (4380, 4850)]