21680084400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1389749}}^1$

素因数の和:1389783

約数の個数: 120

約数和(自身を含む): 74790786000

約数和(自身を除く): 53110701600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 39, 40, 48, 50, 52, 60, 65, 75, 78, 80, 100, 104, 120, 130, 150, 156, 195, 200, 208, 240, 260, 300, 312, 325, 390, 400, 520, 600, 624, 650, 780, 975, 1040, 1200, 1300, 1560, 1950, 2600, 3120, 3900, 5200, 7800, 15600, 1389749, 2779498, 4169247, 5558996, 6948745, 8338494, 11117992, 13897490, 16676988, 18066737, 20846235, 22235984, 27794980, 33353976, 34743725, 36133474, 41692470, 54200211, 55589960, 66707952, 69487450, 72266948, 83384940, 90333685, 104231175, 108400422, 111179920, 138974900, 144533896, 166769880, 180667370, 208462350, 216800844, 271001055, 277949800, 289067792, 333539760, 361334740, 416924700, 433601688, 451668425, 542002110, 555899600, 722669480, 833849400, 867203376, 903336850, 1084004220, 1355005275, 1445338960, 1667698800, 1806673700, 2168008440, 2710010550, 3613347400, 4336016880, 5420021100, 7226694800, 10840042200, 21680084400]

約数ペア:

[(1, 21680084400), (2, 10840042200), (3, 7226694800), (4, 5420021100), (5, 4336016880), (6, 3613347400), (8, 2710010550), (10, 2168008440), (12, 1806673700), (13, 1667698800), (15, 1445338960), (16, 1355005275), (20, 1084004220), (24, 903336850), (25, 867203376), (26, 833849400), (30, 722669480), (39, 555899600), (40, 542002110), (48, 451668425), (50, 433601688), (52, 416924700), (60, 361334740), (65, 333539760), (75, 289067792), (78, 277949800), (80, 271001055), (100, 216800844), (104, 208462350), (120, 180667370), (130, 166769880), (150, 144533896), (156, 138974900), (195, 111179920), (200, 108400422), (208, 104231175), (240, 90333685), (260, 83384940), (300, 72266948), (312, 69487450), (325, 66707952), (390, 55589960), (400, 54200211), (520, 41692470), (600, 36133474), (624, 34743725), (650, 33353976), (780, 27794980), (975, 22235984), (1040, 20846235), (1200, 18066737), (1300, 16676988), (1560, 13897490), (1950, 11117992), (2600, 8338494), (3120, 6948745), (3900, 5558996), (5200, 4169247), (7800, 2779498), (15600, 1389749)]