21098879416

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1\times {\mathrm{2693}}^1$

素因数の和:3124

約数の個数: 64

約数和(自身を含む): 41152250880

約数和(自身を除く): 20053371464

約数列:

[1, 2, 4, 8, 47, 67, 94, 134, 188, 268, 311, 376, 536, 622, 1244, 2488, 2693, 3149, 5386, 6298, 10772, 12596, 14617, 20837, 21544, 25192, 29234, 41674, 58468, 83348, 116936, 126571, 166696, 180431, 253142, 360862, 506284, 721724, 837523, 979339, 1012568, 1443448, 1675046, 1958678, 3350092, 3917356, 6700184, 7834712, 8480257, 16960514, 33921028, 39363581, 56114041, 67842056, 78727162, 112228082, 157454324, 224456164, 314908648, 448912328, 2637359927, 5274719854, 10549439708, 21098879416]

約数ペア:

[(1, 21098879416), (2, 10549439708), (4, 5274719854), (8, 2637359927), (47, 448912328), (67, 314908648), (94, 224456164), (134, 157454324), (188, 112228082), (268, 78727162), (311, 67842056), (376, 56114041), (536, 39363581), (622, 33921028), (1244, 16960514), (2488, 8480257), (2693, 7834712), (3149, 6700184), (5386, 3917356), (6298, 3350092), (10772, 1958678), (12596, 1675046), (14617, 1443448), (20837, 1012568), (21544, 979339), (25192, 837523), (29234, 721724), (41674, 506284), (58468, 360862), (83348, 253142), (116936, 180431), (126571, 166696)]