21906150

素因数分解:

$2^1\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:726

約数の個数: 96

約数和(自身を含む): 64186368

約数和(自身を除く): 42280218

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 31, 35, 42, 50, 62, 70, 75, 93, 105, 150, 155, 175, 186, 210, 217, 310, 350, 434, 465, 525, 651, 673, 775, 930, 1050, 1085, 1302, 1346, 1550, 2019, 2170, 2325, 3255, 3365, 4038, 4650, 4711, 5425, 6510, 6730, 9422, 10095, 10850, 14133, 16275, 16825, 20190, 20863, 23555, 28266, 32550, 33650, 41726, 47110, 50475, 62589, 70665, 100950, 104315, 117775, 125178, 141330, 146041, 208630, 235550, 292082, 312945, 353325, 438123, 521575, 625890, 706650, 730205, 876246, 1043150, 1460410, 1564725, 2190615, 3129450, 3651025, 4381230, 7302050, 10953075, 21906150]

約数ペア:

[(1, 21906150), (2, 10953075), (3, 7302050), (5, 4381230), (6, 3651025), (7, 3129450), (10, 2190615), (14, 1564725), (15, 1460410), (21, 1043150), (25, 876246), (30, 730205), (31, 706650), (35, 625890), (42, 521575), (50, 438123), (62, 353325), (70, 312945), (75, 292082), (93, 235550), (105, 208630), (150, 146041), (155, 141330), (175, 125178), (186, 117775), (210, 104315), (217, 100950), (310, 70665), (350, 62589), (434, 50475), (465, 47110), (525, 41726), (651, 33650), (673, 32550), (775, 28266), (930, 23555), (1050, 20863), (1085, 20190), (1302, 16825), (1346, 16275), (1550, 14133), (2019, 10850), (2170, 10095), (2325, 9422), (3255, 6730), (3365, 6510), (4038, 5425), (4650, 4711)]