21784248990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^4\times {\mathrm{100811}}^1$

素因数の和:100852

約数の個数: 120

約数和(自身を含む): 66075612408

約数和(自身を除く): 44291363418

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 147, 210, 245, 294, 315, 343, 441, 490, 630, 686, 735, 882, 1029, 1470, 1715, 2058, 2205, 2401, 3087, 3430, 4410, 4802, 5145, 6174, 7203, 10290, 12005, 14406, 15435, 21609, 24010, 30870, 36015, 43218, 72030, 100811, 108045, 201622, 216090, 302433, 504055, 604866, 705677, 907299, 1008110, 1411354, 1512165, 1814598, 2117031, 3024330, 3528385, 4234062, 4536495, 4939739, 6351093, 7056770, 9072990, 9879478, 10585155, 12702186, 14819217, 21170310, 24698695, 29638434, 31755465, 34578173, 44457651, 49397390, 63510930, 69156346, 74096085, 88915302, 103734519, 148192170, 172890865, 207469038, 222288255, 242047211, 311203557, 345781730, 444576510, 484094422, 518672595, 622407114, 726141633, 1037345190, 1210236055, 1452283266, 1556017785, 2178424899, 2420472110, 3112035570, 3630708165, 4356849798, 7261416330, 10892124495, 21784248990]

約数ペア:

[(1, 21784248990), (2, 10892124495), (3, 7261416330), (5, 4356849798), (6, 3630708165), (7, 3112035570), (9, 2420472110), (10, 2178424899), (14, 1556017785), (15, 1452283266), (18, 1210236055), (21, 1037345190), (30, 726141633), (35, 622407114), (42, 518672595), (45, 484094422), (49, 444576510), (63, 345781730), (70, 311203557), (90, 242047211), (98, 222288255), (105, 207469038), (126, 172890865), (147, 148192170), (210, 103734519), (245, 88915302), (294, 74096085), (315, 69156346), (343, 63510930), (441, 49397390), (490, 44457651), (630, 34578173), (686, 31755465), (735, 29638434), (882, 24698695), (1029, 21170310), (1470, 14819217), (1715, 12702186), (2058, 10585155), (2205, 9879478), (2401, 9072990), (3087, 7056770), (3430, 6351093), (4410, 4939739), (4802, 4536495), (5145, 4234062), (6174, 3528385), (7203, 3024330), (10290, 2117031), (12005, 1814598), (14406, 1512165), (15435, 1411354), (21609, 1008110), (24010, 907299), (30870, 705677), (36015, 604866), (43218, 504055), (72030, 302433), (100811, 216090), (108045, 201622)]