21482050

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:355

約数の個数: 48

約数和(自身を含む): 42854400

約数和(自身を除く): 21372350

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 127, 170, 199, 254, 398, 425, 635, 850, 995, 1270, 1990, 2159, 3175, 3383, 4318, 4975, 6350, 6766, 9950, 10795, 16915, 21590, 25273, 33830, 50546, 53975, 84575, 107950, 126365, 169150, 252730, 429641, 631825, 859282, 1263650, 2148205, 4296410, 10741025, 21482050]

約数ペア:

[(1, 21482050), (2, 10741025), (5, 4296410), (10, 2148205), (17, 1263650), (25, 859282), (34, 631825), (50, 429641), (85, 252730), (127, 169150), (170, 126365), (199, 107950), (254, 84575), (398, 53975), (425, 50546), (635, 33830), (850, 25273), (995, 21590), (1270, 16915), (1990, 10795), (2159, 9950), (3175, 6766), (3383, 6350), (4318, 4975)]