21000279750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{4019}}^1\times {\mathrm{6967}}^1$

素因数の和:11006

約数の個数: 64

約数和(自身を含む): 52437265920

約数和(自身を除く): 31436986170

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 250, 375, 750, 4019, 6967, 8038, 12057, 13934, 20095, 20901, 24114, 34835, 40190, 41802, 60285, 69670, 100475, 104505, 120570, 174175, 200950, 209010, 301425, 348350, 502375, 522525, 602850, 870875, 1004750, 1045050, 1507125, 1741750, 2612625, 3014250, 5225250, 28000373, 56000746, 84001119, 140001865, 168002238, 280003730, 420005595, 700009325, 840011190, 1400018650, 2100027975, 3500046625, 4200055950, 7000093250, 10500139875, 21000279750]

約数ペア:

[(1, 21000279750), (2, 10500139875), (3, 7000093250), (5, 4200055950), (6, 3500046625), (10, 2100027975), (15, 1400018650), (25, 840011190), (30, 700009325), (50, 420005595), (75, 280003730), (125, 168002238), (150, 140001865), (250, 84001119), (375, 56000746), (750, 28000373), (4019, 5225250), (6967, 3014250), (8038, 2612625), (12057, 1741750), (13934, 1507125), (20095, 1045050), (20901, 1004750), (24114, 870875), (34835, 602850), (40190, 522525), (41802, 502375), (60285, 348350), (69670, 301425), (100475, 209010), (104505, 200950), (120570, 174175)]