21661736

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1087}}^1$

素因数の和:1193

約数の個数: 32

約数和(自身を含む): 42301440

約数和(自身を除く): 20639704

約数列:

[1, 2, 4, 8, 47, 53, 94, 106, 188, 212, 376, 424, 1087, 2174, 2491, 4348, 4982, 8696, 9964, 19928, 51089, 57611, 102178, 115222, 204356, 230444, 408712, 460888, 2707717, 5415434, 10830868, 21661736]

約数ペア:

[(1, 21661736), (2, 10830868), (4, 5415434), (8, 2707717), (47, 460888), (53, 408712), (94, 230444), (106, 204356), (188, 115222), (212, 102178), (376, 57611), (424, 51089), (1087, 19928), (2174, 9964), (2491, 8696), (4348, 4982)]